Check right now what 32-bits apps you still have, because they won't run at all after you've upgraded to Apple's macOS Catalina in September. No one can say that Apple hasn't given us enough warning ...
When macOS Mojave was announced, Apple warned that it would be the last version of macOS that would support older 32-bit apps. Apple has been phasing out 32-bit apps for the last 10 years and is now ...