I ordered a magtape of MINIX from the back of the AST book, but never got it running even after going through getting a tape reader. Was highly dissapointing as

I ordered a magtape of MINIX from the back of the AST book, but never got it running even after going through getting a tape reader. Was highly dissapointing as I saved up my allownace as a 15 year old to buy the tape.