There are many options to fix slow Mac performance. If you want to check for issues with memory, first open Activity Monitor. Pick the processes that are causing the issue and click Quit. It is possible to stop the process if the process takes up too much memory. You can use the System Memory tab as well to determine if there are the slow-running processes are operating on your Mac.
Another possible cause for your Mac’s slowness is the CPU. You should close any program that uses overly much CPU. In the Activity Monitor and click the “X” mac os mojave slow button under the icons. If you’re unsure of which apps are taking up the most CPU Try a Google search for them. You’ll be able identify which programs have a negative impact on your Mac’s performance.
In the event that your HDD is overflowing, it can also cause your Mac to run slowly. Operating systems will be slower if you have several programs. Try deleting files that you don’t use or move them to another drive. Open Activity Monitor to see a listing of all running processes on your Mac. Some errors will be apparent – they are an indication that the Mac has too many running simultaneously.