I think I only got access to a BASIC interpreter when I bought (with my own allowance) the DOS 6.22 upgrade.
I think I'd tried to get the files from my grandma, but there was some issue. Maybe the floppies I copied the files onto went bad? I know that happened a few times... I once excitedly used my grandparents' company's internet connection to download the Duke Nukem 3D shareware (4-5 disks!) and then i waited until we drove home to play it, but it turned out one of the disks died