How to

System settings in Windows 11 live at Settings > System. See what each page controls, the ms-settings shortcut for each one, and fixes when Settings stops working.

See which services run inside svchost.exe on Windows 11 and 10 with Task Manager, tasklist /svc or PowerShell, then trace a Service Host using high CPU or disk.

Set your backlit keyboard to always on: Dell Keyboard Backlight Timeout in BIOS, HP, Lenovo and ASUS hotkeys, Mac inactivity timer and Windows auto-dimming.

Yes, you can set up a second iCloud email account on iPhone 15 Plus: add it under Mail Accounts > Add Account > iCloud, or create an iCloud alias instead.

Remove a persistent weather alert notification on iPhone 15: clear it, turn off Severe Weather in the Weather app, mute it, or switch off Emergency Alerts.

Set up a headset on Windows 11: connect it by USB, 3.5 mm jack or Bluetooth, pick it as output and input in Sound settings, test the mic, and fix detection errors.

Yes, you can have more than one iCloud account. See how to create a second Apple Account, use it for purchases, Mail or a Mac user, and what limits apply.

iOS update failing? Fix the common causes: an unsupported iPhone, low storage, Unable to Check for Update alerts, a stuck progress bar and computer update errors.

Use Windows without typing a user password: turn on automatic sign-in, use a Windows Hello PIN, face or fingerprint, or go passwordless with a Microsoft account.

Count words in Notepad by copying the text into PowerShell’s Measure-Object or Microsoft Word, since Notepad’s status bar shows only a character count.

MightyText for iPhone does not exist: it needs an Android phone. Text from a PC with Phone Link, or from a Mac or iPad with Text Message Forwarding.

Change language, region, time and date in Windows 11 from Settings > Time & language, plus fixes for a locked time zone and a clock that keeps resetting.