Mac Inside & Out · Course 4
Updates, Time Machine & Recovery
Keep a Mac updated, backed up, and ready to recover or sell.
- 1macOS Updates9 min · Keep a Mac current with Software Update and quick security fixes.
- 2Time Machine Backups10 min · Back up a Mac to a drive, lock the backup, and bring back a lost file.
- 3macOS Recovery9 min · Open the Mac's repair tools and pick the right fix when it won't start.
- 4Erasing a Mac Before Selling It9 min · Wipe a Mac safely and free it from your account before it changes hands.
- 5Challenge: The Flower Shop Mac12 min · Help a neighbor's Mac start again after a power cut and find a lost file.
Hands-on
Do it on the practice computer
Lessons have labs you can try in your browser, plus questions that earn points toward the Time Keeper badge.
Start lesson 1