I'm trying to use time machine to make a backup, When I open time Machine it goes into the local snapshots and I don't know how to get out of it to get to the actual application where I can perform a backup.
I don't use it, but as far as I know, TM works automatically and updates every hour, so there shouldn't be a need for you to do anything manually. You can go to System Preferences > Time Machine and set up your desired options.
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