We all save tons of data on our Mac, so when we decide to reinstall macOS Big Sur/Catalina, the top concern always goes to “will I lost everything if I reinstall macOS”.
Therefore, doubtless, there will be new versions of macOS available to upgrade and reinstall.Īs we all know, for no specific reason, system reinstallation can magically solve a slow Mac in most cases. Reinstall When There is New macOS Version AvailableĪpple keeps working constantly to fix bugs, make performance tweaks, add new features or enhance coding.
If you have installed Big Sur, Catalina, Mojave or earlier versions, you may have to reinstall macOS for following reasons: