Start diagnostics by carefully examining the body of the used Mac for any physical damages, such as visible scratches. So, remember to take an external USB drive with macOS preinstalled, and headphones. Note: It’s a great idea to perform some basic diagnostics when you meet your seller. We’ll walk you through all the necessary steps you should take to ensure the Mac you are purchasing won’t crash the very next day. Alternatively, you can save extra money by purchasing a used Mac. Enable real-time antivirus and anti-malware protectionīy the way, the latter is recommended for brand-new Macs as well.Īre you a Windows-to-Mac switcher with a limited budget? Then buying a refurbished Mac with a warranty and tech support included sounds like the best option.Run a thorough adware scan and remove threats if found.Clean of junk, duplicates and free up your storage.Sometimes you don’t really need a new Mac - you just need to breathe new life into the old one! If you feel like buying a new device, just because your current one performs badly, try the following: