diff --git a/advancedSettings.pro b/advancedSettings.pro
index 467a80c..b44dec1 100644
--- a/advancedSettings.pro
+++ b/advancedSettings.pro
@@ -5,7 +5,7 @@
 #-------------------------------------------------
 
 QT       += core gui qml quick multimedia widgets
-CONFIG   += c++11
+CONFIG   += c++14
 
 DEFINES += ELPP_THREAD_SAFE ELPP_QT_LOGGING ELPP_NO_DEFAULT_LOG_FILE
 
diff --git a/docs/building_for_windows.md b/docs/building_for_windows.md
index 09db855..4a08a03 100644
--- a/docs/building_for_windows.md
+++ b/docs/building_for_windows.md
@@ -23,9 +23,12 @@ For pushing changes to the repo:
 2. Clang format. Part of the [LLVM collection](https://releases.llvm.org/download.html).
 
 Additionally, for fully building portable and installer release versions:
+
 3. [7zip](https://www.7-zip.org/download.html)
+
 4. [Nullsoft Scriptable Install System (NSIS)](https://sourceforge.net/projects/nsis/)
 
+
 <a name="locs_and_envs"></a>
 ## Locations and Environment Variables
 
diff --git a/src/res/qml/AudioPage.qml b/src/res/qml/AudioPage.qml
index 774ef91..1d542ce 100644
--- a/src/res/qml/AudioPage.qml
+++ b/src/res/qml/AudioPage.qml
@@ -40,6 +40,7 @@ MyStackViewPage {
         onClosed: {
             if (okClicked) {
                 AudioTabController.deleteAudioProfile(profileIndex)
+                pttProfileComboBox.currentIndex = 0
             }
         }
     }
@@ -79,6 +80,7 @@ MyStackViewPage {
             if (okClicked) {
                 if (pttNewProfileName.text != "") {
                     AudioTabController.addPttProfile(pttNewProfileName.text)
+
                 } else {
                     audioMessageDialog.showMessage("Create New Profile", "ERROR: No name given.")
                 }
@@ -95,7 +97,7 @@ MyStackViewPage {
         id: audioNewProfileDialog
         dialogTitle: "Create New Audio Profile"
         dialogWidth: 600
-        dialogHeight: 220
+        dialogHeight: 300
         dialogContentItem: ColumnLayout {
             RowLayout {
                 Layout.topMargin: 16
@@ -116,6 +118,19 @@ MyStackViewPage {
                     }
                 }
             }
+            RowLayout {
+                Layout.topMargin: 16
+                Layout.leftMargin: 16
+                Layout.rightMargin: 16
+                MyToggleButton {
+                    id: audioDefaultProfileToggle
+                    Layout.preferredWidth: 250
+                    text: "Make Default"
+                    onCheckedChanged: {
+                        AudioTabController.setAudioProfileDefault(checked, false)
+                    }
+                }
+            }
         }
         onClosed: {
             if (okClicked) {
@@ -365,10 +380,11 @@ MyStackViewPage {
                 }
             }
             RowLayout {
+
                 MyToggleButton {
                     id: audioPttShowNotificationToggle
-                    Layout.leftMargin: 265
-                    text: "Show notification in HMD."
+                    Layout.leftMargin: 350
+                    text: "Show notification in HMD"
                     onCheckedChanged: {
                         AudioTabController.setPttShowNotification(checked, false)
                     }
@@ -414,7 +430,6 @@ MyStackViewPage {
                     onClicked: {
                         if (audioProfileComboBox.currentIndex > 0) {
                             AudioTabController.applyAudioProfile(audioProfileComboBox.currentIndex - 1)
-                            audioProfileComboBox.currentIndex = 0
                         }
                     }
                 }
@@ -447,7 +462,6 @@ MyStackViewPage {
                     onClicked: {
                         if (pttProfileComboBox.currentIndex > 0) {
                             AudioTabController.applyPttProfile(pttProfileComboBox.currentIndex - 1)
-                            pttProfileComboBox.currentIndex = 0
                         }
                     }
                 }
@@ -558,6 +572,7 @@ MyStackViewPage {
             audioPttRightControllerToggle.checked = AudioTabController.pttRightControllerEnabled
             audioPttShowNotificationToggle.checked = AudioTabController.pttShowNotification
             audioPttReverseToggle.checked = AudioTabController.micReversePtt
+            audioDefaultProfileToggle.checked = AudioTabController.audioProfileDefault
             componentCompleted = true
         }
 
@@ -629,12 +644,22 @@ MyStackViewPage {
             onPttRightControllerEnabledChanged: {
                 audioPttRightControllerToggle.checked = AudioTabController.pttRightControllerEnabled
             }
+            onAudioProfileDefaultChanged: {
+                audioDefaultProfileToggle.checked = AudioTabController.audioProfileDefault
+            }
             onPttProfilesUpdated: {
                 reloadPttProfiles()
             }
-            onAudioProfilesUpdated:{
+            onAudioProfilesUpdated: {
                 reloadAudioProfiles()
             }
+            onAudioProfileAdded:{
+                audioProfileComboBox.currentIndex = AudioTabController.getAudioProfileCount()
+            }
+            onPttProfileAdded:{
+                pttProfileComboBox.currentIndex = AudioTabController.getPttProfileCount()
+            }
+
 
             onPlaybackDeviceListChanged: {
                 var devs1 = []
@@ -707,7 +732,7 @@ MyStackViewPage {
         for (var i = 0; i < profileCount; i++) {
             profiles.push(AudioTabController.getAudioProfileName(i))
         }
-        audioProfileComboBox.currentIndex = 0
+        audioProfileComboBox.currentIndex = 0;
         audioProfileComboBox.model = profiles
     }
 }
diff --git a/src/tabcontrollers/AudioTabController.cpp b/src/tabcontrollers/AudioTabController.cpp
index 4998938..dd0feb8 100644
--- a/src/tabcontrollers/AudioTabController.cpp
+++ b/src/tabcontrollers/AudioTabController.cpp
@@ -51,7 +51,9 @@ void AudioTabController::initStage1()
     reloadPttProfiles();
     reloadPttConfig();
     reloadAudioProfiles();
+    applyDefaultProfile();
     reloadAudioSettings();
+
     eventLoopTick();
 }
 
@@ -63,6 +65,7 @@ void AudioTabController::initStage2( OverlayController* var_parent,
 
     std::string notifKey
         = std::string( OverlayController::applicationKey ) + ".pptnotification";
+
     vr::VROverlayError overlayError = vr::VROverlay()->CreateOverlay(
         notifKey.c_str(), notifKey.c_str(), &m_ulNotificationOverlayHandle );
     if ( overlayError == vr::VROverlayError_None )
@@ -152,6 +155,11 @@ bool AudioTabController::micReversePtt() const
     return m_micReversePtt;
 }
 
+bool AudioTabController::audioProfileDefault() const
+{
+    return m_isDefaultAudioProfile;
+}
+
 void AudioTabController::eventLoopTick()
 {
     if ( !eventLoopMutex.try_lock() )
@@ -388,6 +396,19 @@ void AudioTabController::setMicReversePtt( bool value, bool notify )
     }
 }
 
+void AudioTabController::setAudioProfileDefault( bool value, bool notify )
+{
+    std::lock_guard<std::recursive_mutex> lock( eventLoopMutex );
+    if ( value != m_isDefaultAudioProfile )
+    {
+        m_isDefaultAudioProfile = value;
+        if ( notify )
+        {
+            emit audioProfileDefaultChanged( value );
+        }
+    }
+}
+
 void AudioTabController::onNewRecordingDevice()
 {
     findMicDeviceIndex( audioManager->getMicDevId() );
@@ -432,7 +453,7 @@ int AudioTabController::getPlaybackDeviceCount()
 
 QString AudioTabController::getPlaybackDeviceName( int index )
 {
-    if ( index > 0 && static_cast<size_t>( index ) < m_playbackDevices.size() )
+    if ( index >= 0 && static_cast<size_t>( index ) < m_playbackDevices.size() )
     {
         return QString::fromStdString(
             m_playbackDevices[static_cast<size_t>( index )].second );
@@ -450,7 +471,7 @@ int AudioTabController::getRecordingDeviceCount()
 
 QString AudioTabController::getRecordingDeviceName( int index )
 {
-    if ( index > 0 && static_cast<size_t>( index ) < m_playbackDevices.size() )
+    if ( index >= 0 && static_cast<size_t>( index ) < m_playbackDevices.size() )
     {
         return QString::fromStdString(
             m_recordingDevices[static_cast<size_t>( index )].second );
@@ -460,7 +481,6 @@ QString AudioTabController::getRecordingDeviceName( int index )
         return "<ERROR>";
     }
 }
-
 int AudioTabController::playbackDeviceIndex() const
 {
     return m_playbackDeviceIndex;
@@ -480,7 +500,7 @@ void AudioTabController::setPlaybackDeviceIndex( int index, bool notify )
 {
     if ( index != m_playbackDeviceIndex )
     {
-        if ( index > 0
+        if ( index >= 0
              && static_cast<size_t>( index ) < m_playbackDevices.size()
              && index != m_mirrorDeviceIndex )
         {
@@ -540,7 +560,7 @@ void AudioTabController::setMirrorDeviceIndex( int index, bool notify )
                 audioManager->setMirrorDevice( "", notify );
             }
         }
-        else if ( index > 0
+        else if ( index >= 0
                   && static_cast<size_t>( index ) < m_playbackDevices.size()
                   && index != m_playbackDeviceIndex
                   && index != m_mirrorDeviceIndex )
@@ -579,7 +599,7 @@ void AudioTabController::setMicDeviceIndex( int index, bool notify )
 {
     if ( index != m_recordingDeviceIndex )
     {
-        if ( index > 0
+        if ( index >= 0
              && static_cast<size_t>( index ) < m_recordingDevices.size() )
         {
             vr::EVRSettingsError vrSettingsError;
@@ -726,7 +746,7 @@ void AudioTabController::reloadAudioProfiles()
     {
         settings->setArrayIndex( i );
         audioProfiles.emplace_back();
-        auto& entry = audioProfiles[static_cast<size_t>( i )];
+        auto& entry = audioProfiles[i];
         entry.profileName
             = settings->value( "profileName" ).toString().toStdString();
         entry.playbackName
@@ -738,6 +758,8 @@ void AudioTabController::reloadAudioProfiles()
         entry.mirrorMute = settings->value( "mirrorMute", false ).toBool();
         entry.mirrorVol = settings->value( "mirrorVol", 0.0 ).toFloat();
         entry.micVol = settings->value( "micVol", 1.0 ).toFloat();
+        entry.defaultProfile
+            = settings->value( "defaultProfile", false ).toBool();
     }
     settings->endArray();
     settings->endGroup();
@@ -776,6 +798,7 @@ void AudioTabController::saveAudioProfiles()
         settings->setValue( "mirrorMute", p.mirrorMute );
         settings->setValue( "micVol", p.micVol );
         settings->setValue( "mirrorVol", p.mirrorVol );
+        settings->setValue( "defaultProfile", p.defaultProfile );
         i++;
     }
     settings->endArray();
@@ -825,10 +848,18 @@ void AudioTabController::addAudioProfile( QString name )
     profile->mirrorMute = m_mirrorMuted;
     profile->mirrorVol = m_mirrorVolume;
     profile->micVol = m_micVolume;
+    profile->defaultProfile = m_isDefaultAudioProfile;
+    if ( m_isDefaultAudioProfile )
+    {
+        removeDefaultProfile( name );
 
+        // to prevent confusion, resets checkbox
+        setAudioProfileDefault( false );
+    }
     saveAudioProfiles();
     OverlayController::appSettings()->sync();
     emit audioProfilesUpdated();
+    emit audioProfileAdded();
 }
 
 /*
@@ -847,6 +878,7 @@ Description: Applies the required logic to activate the audio profile.
 // TODO Remembers Mirror Volume when switching to main volume.
 void AudioTabController::applyAudioProfile( unsigned index )
 {
+    std::lock_guard<std::recursive_mutex> lock( eventLoopMutex );
     if ( index < audioProfiles.size() )
     {
         auto& profile = audioProfiles[index];
@@ -854,6 +886,7 @@ void AudioTabController::applyAudioProfile( unsigned index )
         int pInd = getPlaybackIndex( profile.playbackName );
 
         // Needed to keep remembering when swtiching from mirror/main etc.
+        // TODO OPTI can possibly clean up logic to reduce overhead in future.
         setMicMuted( false, false );
         setMirrorMuted( false, false );
 
@@ -872,6 +905,7 @@ void AudioTabController::applyAudioProfile( unsigned index )
             setMirrorDeviceIndex( mInd, true );
             setPlaybackDeviceIndex( pInd, true );
         }
+
         setMicDeviceIndex( getRecordingIndex( profile.micName ), true );
         setMicMuted( profile.micMute, true );
         setMirrorMuted( profile.mirrorMute, true );
@@ -920,17 +954,15 @@ QString AudioTabController::getAudioProfileName( unsigned index )
 }
 
 /*
-    Name: getPlaybackIndex,  getRecordingIndex, and getMirrorIndex
-
-    input: string, of microphone/playback device name
-    output: integer for use In: setMicDeviceIndex(int,bool),
-   setMirrorDeviceIndex(int,bool) setPlayBackDeviceIndex(int,bool)
-
-    description: Gets proper index value for selecting specific devices.
+Name: getPlaybackIndex,  getRecordingIndex, and getMirrorIndex
+input: string, of microphone/playback device name
+output: integer for use In: setMicDeviceIndex(int,bool),
+setMirrorDeviceIndex(int,bool) setPlayBackDeviceIndex(int,bool)
+description: Gets proper index value for selecting specific devices.
 */
 int AudioTabController::getPlaybackIndex( std::string str )
 {
-    // Unsigned to avoid two casts. i won't be negative because we only
+    // Unsigned to avoid two casts. it won't be negative because we only
     // increment it.
     for ( unsigned int i = 0; i < m_playbackDevices.size(); i++ )
     {
@@ -944,7 +976,7 @@ int AudioTabController::getPlaybackIndex( std::string str )
 
 int AudioTabController::getRecordingIndex( std::string str )
 {
-    // Unsigned to avoid two casts. i won't be negative because we only
+    // Unsigned to avoid two casts. it won't be negative because we only
     // increment it.
     for ( unsigned int i = 0; i < m_recordingDevices.size(); i++ )
     {
@@ -958,7 +990,7 @@ int AudioTabController::getRecordingIndex( std::string str )
 
 int AudioTabController::getMirrorIndex( std::string str )
 {
-    // Unsigned to avoid two casts. i won't be negative because we only
+    // Unsigned to avoid two casts. it won't be negative because we only
     // increment it.
     for ( unsigned int i = 0; i < m_playbackDevices.size(); i++ )
     {
@@ -970,8 +1002,51 @@ int AudioTabController::getMirrorIndex( std::string str )
     return -1;
 }
 
-/* ---------------------------*/
+/*
+Name: removeDefaultProfile
 
-/*----------------*/
+input: QString name - name of new default profile
+output: none
+
+description: checks all profiles and removes any OTHERS that are set as default.
+*/
+void AudioTabController::removeDefaultProfile( QString name )
+{
+    AudioProfile* profile = nullptr;
+    for ( auto& p : audioProfiles )
+    {
+        if ( p.profileName.compare( name.toStdString() ) != 0 )
+        {
+            profile = &p;
+            profile->defaultProfile = false;
+        }
+    }
+}
+
+/*
+Name: applyDefaultProfile
+
+input: none
+output: none
+
+description: checks all profiles and applies the one (if any) with the default
+flag);
+*/
+
+void AudioTabController::applyDefaultProfile()
+{
+    for ( unsigned i = 0; i < audioProfiles.size(); i++ )
+    {
+        auto& profile = audioProfiles[i];
+        if ( profile.defaultProfile )
+        {
+            applyAudioProfile( i );
+            break;
+        }
+    }
+}
+
+/* ---------------------------*/
+/*----------------------------*/
 
 } // namespace advsettings
diff --git a/src/tabcontrollers/AudioTabController.h b/src/tabcontrollers/AudioTabController.h
index 0aed808..2402843 100644
--- a/src/tabcontrollers/AudioTabController.h
+++ b/src/tabcontrollers/AudioTabController.h
@@ -3,7 +3,6 @@
 
 #include "AudioManager.h"
 #include "PttController.h"
-//#include "AudioProfileController.h"
 #include <memory>
 
 class QQuickWindow;
@@ -23,6 +22,7 @@ struct AudioProfile
     float micVol = 0.0;
     bool micMute = false;
     bool mirrorMute = false;
+    bool defaultProfile = false;
 };
 
 class AudioTabController : public PttController
@@ -32,17 +32,12 @@ class AudioTabController : public PttController
                     setPlaybackDeviceIndex NOTIFY playbackDeviceIndexChanged )
     Q_PROPERTY( int mirrorDeviceIndex READ mirrorDeviceIndex WRITE
                     setMirrorDeviceIndex NOTIFY mirrorDeviceIndexChanged )
-    // Q_PROPERTY(bool mirrorPresent READ mirrorPresent NOTIFY
-    // mirrorPresentChanged) Q_PROPERTY(QString mirrorDevName READ mirrorDevName
-    // NOTIFY mirrorDevNameChanged)
     Q_PROPERTY( float mirrorVolume READ mirrorVolume WRITE setMirrorVolume
                     NOTIFY mirrorVolumeChanged )
     Q_PROPERTY( bool mirrorMuted READ mirrorMuted WRITE setMirrorMuted NOTIFY
                     mirrorMutedChanged )
     Q_PROPERTY( int micDeviceIndex READ micDeviceIndex WRITE setMicDeviceIndex
                     NOTIFY micDeviceIndexChanged )
-    // Q_PROPERTY(bool micPresent READ micPresent NOTIFY micPresentChanged)
-    // Q_PROPERTY(QString micDevName READ micDevName NOTIFY micDevNameChanged)
     Q_PROPERTY( float micVolume READ micVolume WRITE setMicVolume NOTIFY
                     micVolumeChanged )
     Q_PROPERTY(
@@ -52,6 +47,8 @@ class AudioTabController : public PttController
                         micProximitySensorCanMuteChanged )
     Q_PROPERTY( bool micReversePtt READ micReversePtt WRITE setMicReversePtt
                     NOTIFY micReversePttChanged )
+    Q_PROPERTY( bool audioProfileDefault READ audioProfileDefault WRITE
+                    setAudioProfileDefault NOTIFY audioProfileDefaultChanged )
 
 private:
     OverlayController* parent;
@@ -71,6 +68,8 @@ private:
     bool m_micMuted = false;
     bool m_micProximitySensorCanMute = false;
     bool m_micReversePtt = false;
+    bool m_isDefaultAudioProfile = false;
+    std::string m_defaultProfileName;
 
     unsigned settingsUpdateCounter = 0;
 
@@ -83,7 +82,6 @@ private:
     {
         return "audioSettings";
     }
-    // QString getSettingsNameAudio() override { return "audioSettingsTest"; }
     void onPttStart() override;
     void onPttStop() override;
     void onPttEnabled() override;
@@ -101,14 +99,14 @@ private:
     int getPlaybackIndex( std::string str );
     int getRecordingIndex( std::string str );
     int getMirrorIndex( std::string str );
-    // void setPlaybackDeviceControl(int index, bool notify = true);
+
+    void removeDefaultProfile( QString name );
 
     std::vector<AudioProfile> audioProfiles;
-    // std::recursive_mutex eventLoopMutexAudio;
 
 public:
     void initStage1();
-    void initStage2( OverlayController* parent, QQuickWindow* widget );
+    void initStage2( OverlayController* var_parent, QQuickWindow* var_widget );
 
     void reloadAudioSettings();
     void saveAudioSettings();
@@ -126,9 +124,11 @@ public:
     bool micMuted() const;
     bool micProximitySensorCanMute() const;
     bool micReversePtt() const;
+    bool audioProfileDefault() const;
 
     void reloadAudioProfiles();
     void saveAudioProfiles();
+    Q_INVOKABLE void applyDefaultProfile();
 
     Q_INVOKABLE int getPlaybackDeviceCount();
     Q_INVOKABLE QString getPlaybackDeviceName( int index );
@@ -136,7 +136,6 @@ public:
     Q_INVOKABLE int getRecordingDeviceCount();
     Q_INVOKABLE QString getRecordingDeviceName( int index );
 
-    // TODO check if needed?
     Q_INVOKABLE unsigned getAudioProfileCount();
     Q_INVOKABLE QString getAudioProfileName( unsigned index );
 
@@ -162,6 +161,8 @@ public slots:
     void applyAudioProfile( unsigned index );
     void deleteAudioProfile( unsigned index );
 
+    void setAudioProfileDefault( bool value, bool notify = true );
+
 signals:
     void playbackDeviceIndexChanged( int index );
 
@@ -179,6 +180,7 @@ signals:
     void recordingDeviceListChanged();
 
     void audioProfilesUpdated();
+    void audioProfileAdded();
+    void audioProfileDefaultChanged( bool value );
 };
-
 } // namespace advsettings
diff --git a/src/tabcontrollers/PttController.cpp b/src/tabcontrollers/PttController.cpp
index a904e4e..ae5d7e4 100644
--- a/src/tabcontrollers/PttController.cpp
+++ b/src/tabcontrollers/PttController.cpp
@@ -407,6 +407,7 @@ void PttController::addPttProfile( QString name )
     savePttProfiles();
     OverlayController::appSettings()->sync();
     emit pttProfilesUpdated();
+    emit pttProfileAdded();
 }
 
 void PttController::applyPttProfile( unsigned index )
diff --git a/src/tabcontrollers/PttController.h b/src/tabcontrollers/PttController.h
index 6032fc5..3ffc980 100644
--- a/src/tabcontrollers/PttController.h
+++ b/src/tabcontrollers/PttController.h
@@ -139,6 +139,7 @@ signals:
     void pttRightControllerEnabledChanged( bool value );
 
     void pttProfilesUpdated();
+    void pttProfileAdded();
 };
 
 } // namespace advsettings
diff --git a/src/tabcontrollers/audiomanager/AudioManagerWindows.cpp b/src/tabcontrollers/audiomanager/AudioManagerWindows.cpp
index 139c3b3..10e0f00 100644
--- a/src/tabcontrollers/audiomanager/AudioManagerWindows.cpp
+++ b/src/tabcontrollers/audiomanager/AudioManagerWindows.cpp
@@ -1,4 +1,4 @@
-#include "audiomanagerwindows.h"
+#include "AudioManagerWindows.h"
 #include <exception>
 #include "easylogging++.h"
 #include "../AudioTabController.h"