How to speed up a Mac computer

After a few years of use, even the best machines just don’t run as smoothly or quickly as they used to. Luckily, a few tweaks under the hood can speed up your MacBook, iMac, or Mac Mini. These performance-revving adjustments aren’t immediately obvious, but they can give macOS a new spring in its step.

1. Tone down the visual effects

There’s no doubt macOS is a gorgeous-looking operating system. But all those fancy animations and transparency effects take up resources that could be going towards actual applications. If you want to make sure your machine runs as lean…