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Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

Here's more info on what permissions allow an app to do: Access all your files, peripheral devices, apps, programs, and registry: The app has the ability to read or write to all your files (including documents, pictures, and music) and registry settings, which allows the app to make changes to your computer and settings. It can use any peripheral devices that are either attached or part of ...