I wanted to play the old indev minecraft versions, so I download the .jar and made the .json file off of the gamepedia page for the specific verson, I make the folder in the versions directory then I get this error when I try to launch the game:
Failed to download file. in-20100125-1.jar
Error details: HTTP 403: Forbidden
Filename on disk: 9b9b-75a8-17e7-89ad
I heard this could be because the legacy servers are down, but is there any way to get past this? Turning off my internet doesn't work.