Before you start digging through sketchy keygen sites, here is what you actually need to know about the software’s licensing model. First, the good news: Macs Fan Control is completely free for personal and home use.

If you are a home user, the software is legally free. If you see a website asking for a key, you are on the wrong download page. If you are a business user, the license costs roughly $15–$20 (one-time fee), which is significantly cheaper than replacing a logic board fried by heat because your fans didn’t spin up in time.

Save your money (or your cybersecurity) and just download the official free version. Have you used Macs Fan Control to fix an overheating issue? Let us know in the comments below.