How to Back Up Your Mac With Time Machine
Set up Time Machine to back up your Mac automatically to an external drive, check that backups are working, and restore a file or your whole Mac.
Step-by-step guides to speed up, back up, update and troubleshoot your Windows PC or Mac.
8 guides · Checked against official sources
Set up Time Machine to back up your Mac automatically to an external drive, check that backups are working, and restore a file or your whole Mac.
Use the built-in Windows Backup app to back up your folders, settings and apps to your Microsoft account, plus how to keep an extra copy on an external drive.
When an app freezes or shows the spinning wheel, here are three ways to force quit it on your Mac, plus what to do if your whole Mac is frozen.
Running out of space on your C: drive? Use Storage Sense, clean up temporary files, remove old Windows installations and find large files and apps.
Screenshot the whole screen, a selection or a single window on your Mac, record your screen, and change where screenshots are saved.
Every way to take a screenshot on Windows: Snipping Tool, Windows + Shift + S, Print Screen, saving automatically, and recording your screen.
Install Windows updates, set active hours so updates don't interrupt you, and fix common problems like low disk space and stuck or failed updates.
Speed up a slow Windows 11 or Windows 10 PC with Microsoft's recommended fixes: updates, startup apps, disk space, power mode and visual effects.
A computer that feels slow, runs out of space or nags you about updates is usually fixable without buying anything. Our Windows and Mac guides cover the everyday jobs: screenshots, backups, updates, freeing up space and dealing with frozen apps.
We follow Microsoft's and Apple's official documentation, linked at the end of each guide, and note when steps differ between Windows 10 and Windows 11 or between macOS versions.
Press the Windows key + R, type winver and press Enter. A window shows your Windows version and build.
Click the Apple menu in the top-left corner and choose About This Mac. The macOS name and version number are shown.
Windows includes Microsoft Defender, and macOS has built-in protections. For most home users these are enough when combined with updates, strong passwords and care with downloads.
Some reset options keep your personal files and others erase everything. Always back up before resetting, and read each option carefully before you confirm.