Question marked as Best reply User profile for user: Niel Niel User level: Level 10 728,327 points Jan 11, 2022 10:15 AM in response to jpaebn Back up your data, check your applications for compatibility, and if the Mac model is recent enough, click on Monterey.Catalina and newer won't run 32-bit software; download and use Go64 to scan for it. To check other programs, click here and look them up.(211829) Show more Less Reply Link