Kerry Wan/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET key takeaways MacOS can be made even more efficient. These simple configurations can make a big impact. Only one option requires the purchase of an app. I use my MacBook Pro every day. There are several must-use apps I work with when I sit down in my comfiest chair, open it up, and start reading the news and preparing for the words I'm about to write for ZDNET. I also use it to write fiction, so it gets a lot of use. To that end, every time I purchase a new MacBook (or iMac), there are certain changes I make so it's even more efficient . Although those things are personal choices, I thought that I'd share them with you in hopes that they might also make your life a bit easier. Also: How to decide between Linux and MacOS - if you're ready to ditch Windows With that said, let's get to the settings. 1.…