Ignore any Windows download warnings and download the zip archive to your device.
Simply use the windows onbord archive unziper which is somewhere in the context menu (right click on the downloaded file and search for 'extract').
You should now have an executable file called 'NozeJump.exe' or 'NozeJump' (depending on your explorer settings).
Depending on your security settings the Windws SmartScreen will pop up. Here you have to click on 'More info'.
You can now click on 'Run anyway' to launch the application. You will only have to do this once.
Checkout my Youtube Channel to get the latest PUBG Gameplay ;)