Step 1) Go to the Youtube homepage
Step 2) Right click and select 'Inspect Element' (Or press ctrl, shift + J)
Step 3) Paste this in to the box: document.cookie="VISITOR_INFO1_LIVE=qDpUsBNO0FY; expires=Thu, 2 Aug 2020 20:47:11 UTC"
Step 4) Press Enter
Step 5) Refrsh and rejoice
If you are in Firefox, press Ctrl, shift + K (Instead of J)
This worked on my desktop when I wasn't logged in, but didn't on my laptop when I was logged in. I think its dependant on the user account whether you can do it or not. So hope you get lucky