1. Remove unnecessary files and applications Go through your files and delete any files that you no longer need. Also, uninstall any applications that you don’t use anymore. This will free up disk space and allow your MacBook to run faster.
1. Continuity Camera With Continuity Camera, you can take a photo or scan a document on your iPhone or iPad and have it instantly appear on your Mac. This feature works with many Apple apps, including Mail, Messages and Notes.