A sure-fire way to prevent your Mac from slowing down and avoid errors like "Your startup disk is almost full" is to regularly free up storage space. There are several things you can do to achieve ...

You can check the memory on a Mac computer in its Activity Monitor by reading a memory pressure graph. Here's how to do it.

The simplest to delete downloads on your Mac is through the Downloads folder in your Finder. Here's how to do it.

If you are running out of space on your Mac, it could be due to duplicate files. But manually finding duplicate files can be really time-consuming and you may delete the wrong files in the process.

If your Mac's close to running out of space, don't ignore the problem. These machines can run into issues when their storage is 100% full: Updates may struggle to install; the machine may slow down; ...