Start with these tools and then we can dive deeper to find files using up space on your Mac. On OS X El Capitan, you will need to download a program like Disk Diag, which is $2.99 to download from the Mac App Store.

This won’t remove everything that you can get rid of, but it is a very good start and can easily free up a few GB of space so you can get back to work or play. If you are on macOS Sierra or macOS High Sierra, there is a built-in tool that can show you what is using the space on your Mac and clean in off quickly. The first step is to find out what is using up all the space on your Mac. We’ll show you how to free up space on your Mac with OS X El Capitan, macOS Sierra, and the upcoming macOS High Sierra. You may see one of these Mac storage error messages when you go to download a file or when you start working on videos or photos. We’ll also explain how to find out what is taking up the most space on your Mac. This guide will show you how to get more space to store photos, videos, downloads, files and documents on your Mac by freeing up space. Whether you’re staring at the “Your startup disk is almost full.” error or “You disk is almost full.” error, we will show you how to get space back on your Mac. When you run out of space on your Mac there are several steps you can take to quickly get more room on your Mac without spending any money.

How to free up space on my mac