How to Delete Watch History on YouTube Open your Favorite Browser. Go to Youtube.com Click Sign in Button at the Top Right Corner of the Page. Enter Your Email address and password. Click Sign in. On the Left Hand Side Menu, Click on History. Here you can find all the videos that you have watched recently. Click on Clear all Watch History Button. Click on Clear all Watch History Button Again to Confirm. As you can see, Your Watch History has been cleared. This is How You Can Delete Watch History on YouTube.