MS Windows tricks and tips

Well everyone of us want to download youtube videos without any hasssles. Here's the way to do it without any softwares---
1. Goto youtube.com
2. From here copy the Url of the video you wnat to download
. Paste this url in your Browsers Address bar and Do the following:

•  If you want to download videos in Flv format:

Add OK before the Youtube.com
example-------
http://www.OKyoutube.com/watch?v=aemXgP-2xyg

• If you want to download videos in 3GP format:

Add 3.OK before the Youtube.com.
Example2:

http://www.3.OKyoutube.com/watch?v=CdPuOGazWZg