1- Double click on "Install" file to start installation.
2- Click on "More info".
3- Click on "Run anyway"
4- Choose your preferable location to install, if not just leave it.
5- Tick on "Create Desktop Icon", "Create Start Menu Folder", Create Uninstall Files".
6- Click on "UNPACK" to start installation.
7- Once installation completed, you'll see 100% progress.
8- Click on Finish.
9- You'll find game shortcut on your desktop.
10- Right-click on game shortcut, choose "Run as administrator" and game will launch.