To link your YouTube account to a Google Account:
1.Please visit http://www.youtube.com/finish_link_upgrade
2.Do you see a message that says 'Please link your YouTube and Google accounts?'
If Yes, then confirm whether you want to link the two accounts listed, or choose whether you want to link to a different Google Account.
If No:
◦If you want to link your YouTube account with a new Google Account, then enter your email address and new password on the right-hand side of the page.
◦If you want to link your YouTube account with an existing Google Account, then click Sign in here and sign in with the Google Account you want to link to.
That's it!
You can also check whether your YouTube account and Google Account are linked from your Manage Account page:
1.Sign into your Google Account.
2.Under My products you'll see various icons for different Google products.
3.If the YouTube icon appears under the My Products section of your Google Account, then this means that you were able to successfully link your Google and YouTube accounts.