Third-party software updates are often released prior to the release of the new OS to make sure those apps work fine. Check for updates to your third-party apps

These utilities, such as CCleaner, CleanMyMac, Daisy Disk, and OnyX, provide more options to sorting files than macOS’s Storage Management, give you more insight on the status of your storage device, and have more tools to perform tasks such as removing difficult files. You can also use a third-party utility to help delete files. The Store in iCloud function helps move files to the cloud Optimize Storage removed TV and movies that you use through Apple TV and Reducer Clutter allows you to go through your files and delete ones you no longer need. This opens the Storage Management app that several options for freeing up storage space. Click on Apple menu > About This Mac, click the Storage tab, and then click the Manage button. You can use macOS’s Storage Mangement app to help you delete unnecessary files. MacOS has a Storage Management app you can use to free up storage space.

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