You'll most likely have a video out on your vcr , its your scart connector , the one that goes to your tv . Then you'll need something like an s/video plug that goes into the scart connector .
http://www.svideo.com/svideoscart.html
Then it will depend on what input you have on your pc .
I did it the long winded way . I have video in on my digital camcorder so recorded a video off the vcr onto the camcorder , then from my camcorder to pc using windows movie maker , then converted it to a dvd . Like i said , it was a bit long winded , but i only wanted to do one video so time wasn't really an issue . Don't forget , all the transfer od the video will be in real time .