How to

Turn Windows Firewall on or off in Windows 11 and 10 with Windows Security, Control Panel, netsh, PowerShell or Group Policy, and why leaving it off is risky.

Use ipconfig /flushdns in an administrator Command Prompt to clear the Windows DNS cache. Exact syntax, PowerShell equivalent, how to verify, and error fixes.

Access Microsoft Access in Office 365 from the Start menu on a Windows PC. Plans that include it, how to install it, and fixes when Access is missing.

Open dxdiag on Windows 11 or 10 by pressing Win + R, typing dxdiag and pressing Enter. Read each tab, save a report, and fix DirectX problems it reveals.

Open old Sound settings in Windows 11 by pressing Win + R and running mmsys.cpl. Five documented routes, what each tab does, and fixes when it won’t open.

Activate YouTube TV via tv.youtube.com/start: open the app on your TV, enter the code on your phone, and tap Allow. Device steps and fixes for failed codes.

Play the Bing homepage quiz from your Microsoft Rewards dashboard, finish every question, and get the points credited. Levels, streaks, and fixes included.

Customize Quick Settings in Windows 11 24H2: press Windows + A, scroll the tile pages and drag tiles into order. What changed from 23H2, every tile, and fixes.

Cancel a stuck print job in Windows 11 or 10 from Open print queue, then restart the Print Spooler and clear the spool folder if the job will not delete.

Zoom in and out on a Windows desktop screen with Windows key + Plus and Minus in Magnifier, Ctrl + scroll in apps, display Scale, and quick ways to reset zoom.

Make Chrome your default browser on Windows 11, Windows 10, Mac, Android and iPhone. Exact steps per device, how to confirm it, and fixes when links open in Edge.

Word document opening blank? Switch to Draft view, use Open and Repair, start Word in safe mode, or turn off graphics acceleration. Fixes for Windows and Mac.