Sharing your computer with other people can be detrimental to your personal settings. Unlike a lot of services and features you can customize, Google+ offers the ability to back up your account data in case of tampering.
Once logged in to Google+:
Step 1: Click on your profile menu in the top-right corner (the one with a miniature version of your profile picture) and choose Account settings.
Step 2: You will see the Account overview area. Now select Data liberation from the menu on the left side.
Step 3: Click the Download data button near the top of the next … Read more