How to

Change your home screen on Windows 11: pick a new desktop background, lock screen, theme, Start menu layout or File Explorer start page, with exact Settings paths.

Copy and paste in Windows with Ctrl + C and Ctrl + V. Turn on Win + V clipboard history, paste without formatting, use Command Prompt, and fix shortcuts on laptops.

Check your internet speed from Google’s homepage: search internet speed test and start the M-Lab test. What download, upload and latency mean, plus fixes.

Undo on a keyboard with Ctrl + Z on Windows and Chromebook, or Command + Z on a Mac. Redo keys, File Explorer undo, Excel’s 100-step limit and fixes.

Schedule an email in Outlook with Send > Schedule send in new Outlook, the web and Mac, or Do not deliver before in classic Outlook. Edit, cancel and fixes.

Set or remove Microsoft Edge as default browser in Windows 11 and 10 from Settings > Apps > Default apps. Plus Mac, iPhone, Android, PDFs and links that open Edge.

Customize Windows 11 power button settings in Control Panel: set the power button, sleep button and lid to Sleep, Hibernate or Shut down, and add Hibernate to Start.

Uninstall McAfee on Windows 11, Windows 10 and Mac: Start menu, Control Panel, the MCPR removal tool, WebAdvisor cleanup, and how Defender takes over after.

How to update to Windows 10 with Microsoft’s Media Creation Tool, why Windows 10 is out of support since October 2025, and how to move to Windows 11 instead.

Recall an email in Outlook only when you and the recipient share one Microsoft 365 organization. Steps for classic and new Outlook, Undo send, and the recall report.

Update BIOS on a Dell laptop or desktop with SupportAssist, Dell Command | Update or the F12 USB menu. Dell’s power and BitLocker rules, plus recovery steps.

Create a Google Account at accounts.google.com/signup in a few steps. Gmail or your existing email, Android, iPhone, a child’s account, business use and fixes.