How to

Find the HWID in Windows 11 in Device Manager: open the device’s Properties, then Details, then Hardware Ids. Plus pnputil, PowerShell, serial number and UUID.

Update Roblox on Windows and Mac by launching a game from roblox.com, updating in Microsoft Store, or reinstalling. Plus Roblox Studio and fixes when it fails.

Reset all settings in Windows 11 from Settings > System > Recovery > Reset PC, or reset one app or your network. See what each reset keeps, removes and can undo.

Check what version of Windows you have in Settings, winver, System Information or a command, and tell edition, version, build and 32/64-bit apart.

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.