How to

Why does my laptop keep freezing? Find the cause: memory or disk overload, heat, drivers, corrupt files, bad RAM or a failing drive, with fixes for Windows and Mac.

QR stands for Quick Response. Learn who invented QR codes, how they store data and correct errors, how to scan one on iPhone, Android or Windows, and stay safe.

Delete or deactivate your Facebook account from Accounts Center on a computer or in the app. Covers the 30-day cancel window, data export and Messenger.

Use Immersive Reader in Edge by pressing F9 or selecting the Reading mode icon in the address bar. Steps for read aloud, translate, themes, line focus and fixes.

osu! custom cursor guide: install a cursor skin from an .osk file, swap only cursor.png in your current skin, tune cursor size and fix an old cursor that stays.

Enable or disable Leave touchpad on when a mouse is connected in Windows 11 from Settings or the LeaveOnWithMouse registry value, and fix a touchpad that stays off.

Outlook not showing all emails in the inbox? Clear the filter, check Focused and Other, Junk, rules and sync settings, then download old mail in classic Outlook.

Enable the Developer tab in Office: go to File > Options > Customize Ribbon and tick Developer. Steps for Word, Excel, PowerPoint, Outlook and Mac, plus fixes.

Fix ERR_CONNECTION_TIMED_OUT on Windows 11 and 10: reset TCP/IP with netsh, flush DNS, clear the proxy and hosts file, update the adapter driver, restart the router.

Disable CPU throttling in Windows 11 with Best performance power mode, a 100% maximum processor state, powercfg and the Power Throttling policy. Heat limits stay.

HoloLens 2 app development in 2026: Microsoft has stopped making the device. Pin the right Unity, OpenXR and Visual Studio versions, then build and deploy.

Google Chrome has no classic menu bar on Windows, Linux or ChromeOS. Its menu is the three-dot More button at the top right; on a Mac, the menu bar sits up top.