What you need first is a video capture card; best are internal one, even if latest USB are not that bad. If you are lucky you can get an older model, still very good for VHS capture, at a really low price.

Sound card inside your PC could be good enough; but an aftermarket sound card will do quite surely a better work; again, it's possible to find it too at a very low price used.

Macrovision is usually present in almost all pre-recorded VHS, but I had not problem to capture some of them... maybe you could defeat it passing through a DVD recorder, but frankly I'm not messing about macrovision things from a very very long time, so first get a video capture card, then IF the issue will arise, you will surely find someone here who could help you!