Usually, your Mac needs to have at least 4GB memory (RAM) and 35.5GB available storage. If your Mac machine is showing its age, it’s going to have a difficult time running the latest operating system, or even not compatible with the latest version at all.Ĭlick here to learn the list of macOS Big Sur supported Macs and check whether your Mac is on the list or not. Every new macOS that Apple has released has a minimum requirement on hardware. Technically speaking, this is not a fix but it’s worth checking as the first step. Check Whether Your Mac is Compatible with Big Sur Why iMac or MacBook Pro Can Run Slowly after Updating to macOS Big Surġ.Find and Quit Resource-hungry Apps via Activity Monitor Disable Startup Items (Apps & Hidden Launch Agents)
