Update DevKit.md

Author: quajak

Docs/articles/Installation/DevKit.md

@@ -4,26 +4,24 @@
 * (Free) source code of Devloppement Kit from [Cosmos on GitHub](https://github.com/CosmosOS/Cosmos)
    * You must clone the repository using Git. For a detailed walkthrough, [see here](https://help.github.com/articles/fork-a-repo/).
    * When following the tutorial, replace *OctoCat* with *CosmosOS* and *Spoon-Knife* with *Cosmos*.
-* (Free) [Visual Studio 2015 Community](https://go.microsoft.com/fwlink/?LinkId=691978&clcid=0x409)  
+* (Free) [Visual Studio 2019 Community](https://visualstudio.microsoft.com/vs/)  
 * (Free) [InnoSetup QuickStart Kit](http://www.jrsoftware.org/isdl.php#qsp)
    * This is required to build the setup kit which is used to build and install the Visual Studio integration libaries for Cosmos.
     * During install it will ask you about optional components to install. Be sure you check "Install Inno Setup Preprocessor".
 * Visual Studio SDK: [download here](https://www.microsoft.com/en-us/download/details.aspx?id=40758).
 
 ###  Installation
 
-* Look in the downloaded sources and run **install-VS2015.bat** with admin privileges (UAC will ask for permission), needed for install in system directories.
+* Look in the downloaded sources and run **install-VS2019.bat** with admin privileges (UAC will ask for permission), needed for install in system directories.
 * When the installation is complete, Visual Studio will automatically open and you may begin programming with your new, modified copy of Cosmos.
 
 ## Arguments for the 'install-VS2015.bat' file
-The `install-VS2015.bat` accepts the following parameters :
+The `install-VS2019.bat` accepts the following parameters :
 
 - `-USERKIT` Run installer for the User Kit only. By default installer build and install Dev Kit.
 - `-RESETHIVE` Reset Visual Studio Experimental Hive after installation.
 - `-NOTASK` When specified installer would be run directly instead of running as the task in the Task Scheduler
 - `-NOCLEAN` Don't clean solution before run installer.
 - `-NOVSLAUNCH` Don't launch VS after installation.
 - `-IGNOREVS` Ignore running VS during installation.
-- `-VS2015` or `/VS2015` Run installer for the VS 2015. This is the default.
-- `-VS2013` or `/VS2013` Run installer for the VS 2013. 
 - `-VSEXPHIVE` or `/VSEXPHIVE` Use Visual Studio Experimental Hive for installation.