How download from youtube

http://en.savefrom.net/

1. copy the url that you want to download

2. Click "Fine with Low Quality? Download it Free.". 

3. Click download button.

or

open SaveFrom.net and enter the URL address of the webpage you want to download from into the field on the top of the page. Click the "Download" button on the right and you will get the list containing all available links. Choose a format anddownload.