Update README.md

Author: mrbindraw

README.md

@@ -1,21 +1,18 @@
 # CheckAppInstance
 Plugin for UE4/5 project.  
-This plugin makes it possible only one instance of your game can be run at the same time.
-This plugin created mostly who don't like C++ and work only with blueprints.
-
-# Install
-1. https://www.unrealengine.com/marketplace/en-US/product/checkappinstance  
-or manual unzip CheckAppInstance-X.X.X-build-win64-ueX.XX.X.zip from  
-https://github.com/mrbindraw/CheckAppInstance/releases into ROOT_UE4\Engine\Plugins.
-2. Create Blueprint class BP_GameInstance derived from GameInstance.
-3. Call on EventInit method CheckAnotherAppInstance.
-4. ProjectSettings -> Maps&Modes -> Game Instance Class: BP_GameInstance.
+This plugin makes it possible only one instance of your game can be run at the same time.  
+This can be controlled with the launch argument  
+-checkinst=<0/1|false/true> it's useful for testing multiplayer game on a single pc.  
+Example: game.exe -checkinst=0
 
 **C++/Blueprints functions:**
 - CheckAnotherAppInstance(bool IsEnabled = true)
 
+ProjectSettings -> Maps&Modes -> Game Instance Class: BP_GameInstance
 <img src="Example.png"/>
 
-
-
-
+# Install
+You can install manually by extracting archive (CheckAppInstance-X.X.X...zip) from
+[Releases](https://github.com/mrbindraw/CheckAppInstance/releases) to your project plugins folder  
+or build example project (ExamplePrj-UEX.X-CheckAppInstance-X.X.X.zip).  
+You can install it from the marketplace [CheckAppInstance](https://www.fab.com/listings/c17f1eb9-dfd8-4f41-ba30-e6c6c43d7c98)