Step one: install the game
Step two: open file explorer
Step three: unzip the file
Step four: open the file
Step five: click "Not Minecraft Dont Sue Me Please.exe"
Congratulations, you can run a downgraded minecraft (with a gun)
no I had to make new folder, download from web version, and put files from ziped folder into new folder to play
Really? Oh, well in that case my response did not work as intended, the steps I replied with worked for me and I do not know why they did not for you, but it seems you have been able to play the game, so it all worked out.
prob cause I'm on windows 10 maybe idk