With the powerful Apple MacBook Pro now available in three screen sizes-and the slim, efficient, and one-size MacBook Air-there are two Mac laptop families to choose between. Since 1982, PCMag has tested and rated thousands of products to help you make better buying decisions. How to Set Up Two-Factor Authentication.How to Record the Screen on Your Windows PC or Mac.How to Convert YouTube Videos to MP3 Files.How to Save Money on Your Cell Phone Bill.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.