Since most apps don't remind you to delete their DMG files after installation, you’ll eventually wind up with a pile of DMG files that will rob you of valuable disk. Once you have installed an application, its DMG files are basically useless. Related Article: How to Completely Uninstall Apps on Mac 4. Download the free version of BuhoCleaner to try it out now. We highly recommend that you use BuhoCleaner to do the job for you. But to be honest, the manual way is time-consuming. You can uninstall unwanted apps manually and automatically. If you're sure they are no longer useful to you, deleting them can help you regain some of that space. Is there an application that you have only used once? Those unused applications are eating away at the highly needed space you are wanting to free up. You probably have a ton of programs installed on your Mac. It will handle your junk file cleaning, unwanted app removal, duplicate and large file cleanup, and memory release. It's one of the best Mac cleaners, and it can help you clean and speed up your Mac with only a few clicks. To quickly and easily clear out all the junk files on your Mac, you need a third-party claner. Optimize Storage: Click the Optimize button to turn on this function, and your Mac will automatically remove the movies and TV shows you have already watched and send them to the Trash when storage is needed.Įmpty Trash Automatically: Once you turn it on, the items that have been in the Trash for over 30 days will be removed automatically. Just keep the necessary files on your Mac. Store in iCloud: This feature allows you to store your photos, movies, and files in iCloud. You can easily find them by clicking Apple menu > General > Storage > Recommendations. The easiest way to free up disk space is to use the built-in optimization tools on your Mac. Now that you know how little space you can use, let's take a look at how to free up disk space on Mac. But we recommend that you keep at least 15% of your storage space free, so that you can have more freedom to install a new macOS, upgrade software, or download movies. For your Mac to run properly, you’ll need to have at least 10GB of free space. Studies have shown that your Mac's performance starts to degrade when your storage space usage reaches 85%. How Much Free Space Should I Have on My Mac?

Hover your mouse over the light gray section and you can see how much free space is left.Wait a few seconds and you will see a colored storage bar.

How to Delete System Data Storage on Mac How to Check Free Space on Macįirst things first, let's check how much free space you have left.

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