The most reliable way to play on a modern PC is through established digital storefronts. These versions are optimized for modern hardware and are often available for a few dollars.
Platforms like Poki and CrazyGames offer instant-play gun games that require no download and are completely free. gun-free-download-pc-game-full-version
How to Experience " GUN " on PC: A Guide to the Western Classic The most reliable way to play on a