If you want to learn how to knit, the Internet is the place to start. There are lots and lots of sites that will teach you how to knit, and many have videos you can watch, which I think is a great help.
Here are 5 free sites that are of interest to anyone who wants to learn how to knit, or who wants to improve her (or his?) knitting skills.
Huge Knitting site for the beginner as well as the advanced knitter. Lots of very clear tutorial videos.
No videos, but lots of very clear drawings, together with easy to understand tutorials.
A friendly online community where you’ll meet other fiber enthusiasts, learn new techniques and tips from industry experts, meet up-and-coming knitwear designers and celebrity authors, access the latest free knitting patterns, and more! You can also download a free knitting eBook
Here you find many ways to learn how to knit from both written instructions, and on-line videos.
Huge knitting site with loads of (video) tutorials, for beginner or advanced knitter, lots of free patterns, etc.