Remember if you're just starting to set up here that you'll want to adjust your content settings here and here These can be found in the settings

If you're also moving from twitter you may want to look into using the app Sky Follower Bridge to hunt for anyone you previously followed chromewebstore.google.com/detail/sky-f...addons.mozilla.org/en-GB/firefo...microsoftedge.microsoft.com/addons/detai...