Read More: Top 5 Best Startup Manager Apps for Mac This will disable selected startup items. Once selections are made click (-) located at the bottom. Select the programs you wish to disable.This will show you a list of programs that start automatically when you boot your Mac Machine.Now, click on the username > login items.Click Apple Menu > System Preferences > Users and Groups.If you want to get rid of these programs starting automatically follow the steps below: These startup items always load at boot time unless you change the settings, and this causes Mac to run slow. Like Windows when you boot Mac for the first time several programs start automatically without your consent. Here are listed the best ways to make your MacOS Catalina run faster: 1. How to Speed Up MacOS Catalina: Top 14 Ways Check Your Mac Compatibility with macOS 10.15 Catalina.Reset both System Management Controller (SMC) and PRAM.Ways to make slow MacOS Catalina run faster However, if you want to fix a Mac running slow on your own, here are the best solutions for you.

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