Updated Build and install (markdown)

Build-and-install.md

@@ -1,5 +1,3 @@
-**In-progress**
-
 ## Dependencies
 
 * [CMake](https://cmake.org/)
@@ -17,6 +15,8 @@
 
 For building akvirtualcamera, open a terminal and run the following commands:
 
+**Note:** Replace _/path/to_ with the actual path of the sources directory.
+
 **Mac**
 
 ```
@@ -38,10 +38,76 @@ cmake -G "Visual Studio 16 2019" -S /path/to/akvirtualcamera -B /path/to/akvirtu
 cmake --build /path/to/akvirtualcamera-build-directory
 ```
 
-You can also compile akvirtualcamera using [cmake-gui](https://cmake.org/cmake/help/latest/guide/user-interaction/index.html#cmake-gui-tool).
+For other generators check [CMake documentation](https://cmake.org/cmake/help/latest/manual/cmake-generators.7.html).  
+You can also compile akvirtualcamera using [cmake-gui](https://cmake.org/cmake/help/latest/guide/user-interaction/index.html#cmake-gui-tool).  
+The generated plugin files are located at _/path/to/akvirtualcamera-build-directory/build_.
 
 ## Install
 
+akvirtualcamera service needs to be installed and running for the virtual camera to properly work.
+
+**Note:** Replace _/path/to_ with the actual path of the plugin.
+
 **Mac**
 
+Run the following commands as root
+
+```
+# Is highly recommendable Linking the plugin instead of copying it.
+
+ln -s /path/to/AkVirtualCamera.plugin /Library/CoreMediaIO/Plug-Ins/DAL/AkVirtualCamera.plugin
+
+# Create the configuration file for the assistant.
+
+cat << EOF > /Library/LaunchDaemons/org.webcamoid.cmio.AkVCam.Assistant.plist
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>Label</key>
+        <string>org.webcamoid.cmio.AkVCam.Assistant</string>
+        <key>ProgramArguments</key>
+        <array>
+            <string>/path/to/AkVirtualCamera.plugin/Contents/Resources/AkVCamAssistant</string>
+            <string>--timeout</string>
+            <string>300.0</string>
+        </array>
+        <key>MachServices</key>
+        <dict>
+            <key>org.webcamoid.cmio.AkVCam.Assistant</key>
+            <true/>
+        </dict>
+        <key>StandardOutPath</key>
+        <string>/tmp/AkVCamAssistant.log</string>
+        <key>StandardErrorPath</key>
+        <string>/tmp/AkVCamAssistant.log</string>
+    </dict>
+</plist>
+EOF
+
+# If the service was disabled re-enable it.
+
+launchctl enable system/ org.webcamoid.cmio.AkVCam.Assistant
+
+# Configure and launch the service.
+
+launchctl bootstrap system /Library/LaunchDaemons/org.webcamoid.cmio.AkVCam.Assistant.plist
+```
+
 **Windows**
+
+Open an administrator CMD and run the following commands:
+
+```
+rem If you are running in 64 bits Windows run:
+
+/path/to/x64/AkVCamAssistant.exe --install
+
+rem If you are running in 32 bits Windows run:
+
+/path/to/x86/AkVCamAssistant.exe --install
+
+rem Start the service
+
+sc start AkVCamAssistant
+```