I have mentioned that this time I'm going to do a clean install of Big Sur, but even if you're going to just upgrade on top of your old macOS it's very important to make a backup of your system. Now is also a good time to think about your backup strategy. https://dpbestflow.org/links/39 FireCuda Gaming Dock 4TB at https://amzn.to/37u2tgF (affiliate) Use Optimized Data to move stuff off your Mac to make room Hit About This Mac under the Apple icon, select storage, and hit manage. Get ready for a clean install Update brewfile Update time machine Make a full image backup Make an image of your data disk Leo Laporte gives you helpful tips to get the most from your Mac every week on Hands-On Mac! Host: Leo Laporte Download or subscribe to this show at https://twit.tv/shows/hands-on-mac Discuss episodes in the TWiT Community. Sponsor: peakdesign.com/twit