This video will help you really easily get the old YouTube layout back! Enjoy!
Codes and stuff:
Chrome - press Ctrl+Shift+J for Windows/ChromeOS or Command-Option-J for Mac
Firefox - press Ctrl+Shift+K for Windows or Command-Option-K for Mac
Internet Explorer - press F12 and select the "Console" tab.
To Get the New Layout:
document.cookie="VISITOR_INFO1_LIVE=jZNC3DCddAk;"
Alternate:
document.cookie="VISITOR_INFO1_LIVE=jZNC3DCddAk; path=/; domain=.youtube.com";window.location.reload();
To Get the Old Layout Back:
document.cookie="VISITOR_INFO1_LIVE=; path=/; domain=.youtube.com";window.location.reload();
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