How to

A BAK file is a backup copy an app saves before changing a file. Learn what creates BAK files and how to open or restore them in Windows 11 and 10.

Windows Update in Windows 11/10: check, pause and uninstall updates, fix stuck updates and error codes, and track every 2026 Windows 11 KB and 26H2.

Wi-Fi settings live in Settings > Network & internet on Windows 11 and 10. Connect, find your IP, change DNS, fix no internet and reset the network.

Windows keyboard shortcuts for copy, paste, screenshots and desktops, symbols with Win + . and Alt codes, and fixes for a keyboard, mouse or touchpad that fails.

Printer settings live in Settings > Bluetooth & devices > Printers & scanners on Windows 11. Add, set default, scan, and fix offline or stuck printers.

Sound settings live in Settings > System > Sound on Windows 11 and 10. Change speakers and mics, set app volume, update audio drivers and fix no sound.

Teams shortcuts for Windows, web and Mac: open the full list with Ctrl+Period, mute with Ctrl+Shift+M, plus messaging, meeting, call and slash command keys.

Discord is a free voice, video and text chat app built around servers and channels. Learn what Discord is used for, how to join, use it safely and what Nitro adds.

Edge profiles keep separate favorites, passwords and extensions. Sign in, create, switch, remove and set a default profile in Microsoft Edge, step by step.

The best free PC games for 2026: Counter-Strike 2, Dota 2, Fortnite, Marvel Rivals, Genshin Impact and more, with who each suits and PC requirements.

Update Google Chrome from More > Help > About Google Chrome, then select Relaunch. Steps for Windows, Mac, Android, iPhone and Chromebook, plus fixes.

Reset an Epson printer ink pad counter the supported way: replace the maintenance box, or use Epson’s pad replacement service or a certified technician.