It’s inevitable. Sooner or later, you’re going to have to replace your computer. But while it may not be as fast as when you first got it or as sleek as your new computer, your old desktop or laptop might still have a lot to offer— after upgrading it a little, that is.

It’s no secret that cutting costs is one way to increase profit. When it comes to tech, most businesses do this by bringing their operations to the cloud, hiring pay-as-you-go service providers, and uninstalling unnecessary software. Another way to reduce costs is by swapping bulky desktops for thin or zero clients.