How to

WhatsApp Web is WhatsApp in your browser, linked to your phone by QR code. How it works, what it can and can’t do, calls, iPad and iPhone use, and fixes.

Change DNS settings on Windows 11 or 10 in Settings, Control Panel, PowerShell or netsh, add DNS over HTTPS, then verify the new servers and fix lookup errors.

Microsoft Word ribbon basics: what each tab does, how to show or hide the ribbon, use KeyTips, customize tabs and reset them when commands go missing.

mmsys.cpl opens the classic Sound control panel in Windows 11 and 10. Open it, set default speakers and microphones, change system sounds and fix audio problems.

Install Microsoft Edge Canary beside Stable Edge, turn on beta features in edge://flags, test them safely, send feedback to Microsoft, and undo or uninstall.

Open Intel graphics settings on Windows 11 by searching Start for Intel Graphics Command Center. Which Intel app you have, Store install, Arc Control and fixes.

Change text size in Windows 11/10 with the Text size slider, display Scale, Magnifier or browser zoom. Exact paths, how to reset, and fixes when nothing changes.

Log in to your Orbi router at orbilogin.local or orbilogin.com with the admin username, or use the Orbi app. Default login, IP fallbacks, and password fixes.

Add the Slack app to your desktop: download it from slack.com/downloads or your app store, sign in, then add Marketplace apps to your workspace and channels.

Add a DuckDuckGo icon to your desktop on Windows or Mac: drag the site link, install duckduckgo.com as an Edge, Chrome or Safari app, or pin the browser.

Transfer Microsoft Office to a new computer: sign in and reinstall Microsoft 365, move an Office 2024 or 2021 licence, and sign out of the old PC.

cmd.exe is the Windows Command Processor behind Command Prompt. Where it lives, its /c and /k switches, how to spot a fake, and cmd vs PowerShell vs Terminal.