The performance of a Mac naturally becomes worse over time. Although they require less upkeep than a PC, it’s still essential to follow a series of tips to maintain good performance levels.

On a Mac, just like with other computers, lots of things can cause performance to slip and the machine to get slow. These include installing and uninstalling applications, getting a virus or malware, running for too long, or using too many CPU resources. The computer’s hard disk might also be full of temporary files from running apps.

To maintain your Mac, it is essential to conduct maintenance on your devices periodically. To show you a few tips to maximize the performance of a Mac, we will talk about what is needed for maintenance and some quick fixes!

Six Ways to improve the performance of a slow Mac

1. Keep sufficient free disk space

Keeping sufficient hard drive space available is an important tip. As the RAM fills up, temporary data is stored on the hard drive. Windows will need to use more CPU power and drain the battery faster when too few files can be stored on the computer.

Deleting files that we don’t need or moving them to external hard drives to free up disk space should be a no-brainer. It should help us to make sure that our computer can store other critical applications.

It also doesn’t hurt to have software like CleanMyMac X around. This software is beneficial for reviewing all the files on your hard drive and deleting those you don’t need. I especially love that it’s compatible with most operating systems. (such as, for example, languages we don’t know or don’t use) and uninstall applications correctly, completely removing all traces of the computer operating system

How to improve the performance of a slow MAC

Another good option is Gemini2. This program can analyze your Mac for any duplicates and help your Mac clean them up quickly. Thanks to its working method, it can find your duplicates in different places–think photos, songs, or videos. When we’re not careful about our storage, it can make things difficult. But if we use this tool, it will be easy to find the files & folders that are taking up the most space, freeing up more space!

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Here is a complete guide that will help you- How to free up space on a Mac or MacBook: 14 Easy Tricks

2. Remove unnecessary apps

It is often said that getting rid of an app on my Mac is the same as dragging it to the trash. This isn’t always true, though, since even when you uninstall an app, some remnants are left in your system.

Cause, um, basically any app we use on our Mac has files that are stored outside of the Applications folder (like config files n stuff). So when you drag the icon to the trash, you’re not deleting all its traces from your system.

To achieve this in total, we have two options:

  • Check system folders for all traces you have left.
  • Opt for some uninstaller software.
How to improve the performance of a slow MAC

The most logical option is the second. Checking every single system folder manually would be a real frustration and inefficient. In this case, the best is CleanMyMac, a multifunctional app that’s a good bet to improve Mac performance

3. Review running processes

Our Mac might work slower at times, and we don’t always know why. Sometimes we can see this happening when an app has been running in the background, and due to an error, it is consuming too many resources needed by another app or task.

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We need to resort to the Activity Monitor (located in Applications – Utilities) to view this information. This tool will make it easy to see the amount of CPU, RAM, and other essential data about any processes currently working on our Mac.

How to improve the performance of a slow MAC

In the software world, there are a ton of processes taking place in the background, many of which you might not be aware of, so you can Google about them. If we notice any suspicious processes, we can stop them directly from the Monitor to protect the system’s resources.

Here are some Best MAC Apps that we will recommend: Best Apps for Mac: Top Selection From 2021

4. Remove Startup Apps

Some applications take the liberty of being automatically opened at login. We may want them to, but most of the time, they don’t interest us.

How to improve the performance of a slow MAC

To see what apps we have at the start of our user account, we must go to System Preferences > Users and groups > Login items. If an application is not set to “running every time” within this list, it will not start when you log in. First, check the box next to the app and then click on the minus button below to make this happen. This will ensure it only runs when needed and frees up some CPU power for more critical tasks.

Here is another guide- How to Speed Up macOS Big Sur? 7 Easy Methods

5. Clear your MAC Cache: browsers, OS, and other applications

This point is closely related to the first one we have discussed, as the cache takes up disk space, and you may not need it regularly.

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Clearing your browsers’ cache, applications, or OS X’s cache will give you a lot of space back on your SSD or hard drive, but it may cause some slight hiccups in the application’s performance. Most of the deleted information will be from things we no longer use or which we do very occasionally, so they will need to be updated every time.

How to improve the performance of a slow MAC

There are many ways to delete cache, depending on what you’re using. For example, in browsers, you’ll find the option in the menu; however, for other apps or your operating system, it might be necessary to empty certain caches (check your app’s interface for more information). As a result of this, we turn to CleanMyMac again, the software we recommend above.

Here is a detailed guide that you can use- How to Clear Cache on Mac and Recover a LOT of Storage Space

6. Update your Mac hardware

You’re right- if our Mac is a few years old, then it’s about time that we replace the hardware. If we update the operating system and software that we use daily, it will make older hardware even slower.

How to improve the performance of a slow MAC

Apple has ensured that this is not possible on newer models of Macs, but most older models can be opened up to allow it. Increasing the capacity of the RAM or installing an SSD memory instead of the mechanical hard drive can be a considerable performance improvement at a very economical price. The Mac will have some renewed life as well!

You can also read: Accountsd: How to Fix High CPU Usage on Mac? 3 Possible Fix

What other tips would you add?

We want to help you with maintaining your Mac computer. Have you tried these tips or know someone who has? We’re wondering what other tips people do, care to share? We’re interested in improving our list of recommendations.


Ruby has been a writer and author for a while, and her content appears all across the tech world, from within ReadWrite, BusinessMagazine, ThriveGlobal, etc.

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