1. Next to the search bar click on Browse
2. Beside All Categories click on "Most Viewed"
3. Beside "When" click on the drop down arrow. Found on the extreme right hand side
4. Click on "All Time"
Or you can simply click the link below to find the most popular videos on YouTube
The 3 most popular videos are
1. Lady Gaga - Bad Romance with 221,490, 702 views
2. Charlie bit my finger - Again! with 198,357,458 views
3. Justin Bieber - Baby Ft Ludacris (New at the top) with 181,711,361 views