I needed to do some changes on a program and I turned on the old computer to fire up Minotaur and it showed it was time for an update. So I put all my bin files on a external hard drive and removed all old versions. Now Im trying to install and Im getting a error

Internal error: Cannot install files to 64-bit locations on the version of windows

Not sure what to do? Its an old windows XP system but this is all I use this computer for so im not sure what to do now.