Many thanks if you can find the time to answer this

How do I connect my (1991) Beocenter 8500 to my PC I want to record some of
my music tape cassettes on to tmy PC, My Motherboard is a Asrock K8 combo
Motherboard

I already have a software program called Sound Forge which I'm told will let
me edit the recordings.

1: What cables/coverters do I need?
2: Where do I connect them From/to?
3: I have mis-layed the Manual and im unsure where to plug cables



Glenn