Two easy way to download video from YouTube.
Open www.youtube.com in new tab.
Search video which is you want to download in search bar.
Open video then right click and copy video link,
Open new tab www.keepvid.com.
You need java if you have no need if you don’t have download java and install it.
Paste copy link to download bar and click on download.
Now video or audio format shows.
Chose format which you want to download and it will download start………..
From ytd video downloader
Download ytd video downloader and install it completely
Open ytd video downloader. It will auto generate video link which you copy from YouTube video link.
Select format in download quality then just click download,video download process start………….