Watch Youtube without logging in, in a Browser

Hello,

I was watching Youtube on a new OS on PC, where im trying to avoid logging in to Google/Youtube.

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Now I cant watch 18 rated Videos and also playing a Playlist does not autmaotically play the next Video. Is the next Video playing thing caused by me not logging in or is this some Addon from me that causes this? Because it works fine on another PC with the same addons, where im logged in to google.

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browser google hello logging logging in next play privacy video videos watch youtube