itch.io

its just a regular PC, but when i clicked to open it, it took me to an options page where the exact same file just popped up, so i opened that, and then it took me to another options page, but this time it had a bunch of files that said like elf.t5f or something like that, so i clicked the one that said Game.io or something, and it said "this app is not registered by microsoft, would you like to continue?" and i clicked "install anyway" but it just kicked me out and told me to try again 😡

i downloaded the file on my computer, but it wouldn't let me open it. i don't know if there's a problem, or if i'm not doing something correctly, or if it's just that the computer's too old