You can add your credit card, debit card, bank account, PayPal account, or mobile phone as a new payment method for your Microsoft account.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

プロダクト キーまたはデジタル ライセンスを使用して Windows をライセンス認証し、ライセンス認証の状態を確認し、Microsoft アカウントをリンクする方法について説明します。

Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

Learn how to import Google Gmail to Outlook and your Office 365 mailbox. You can also import Gmail contacts to Outlook, and see your Google Calendar in Outlook.

Learn to set up and use your Surface Pen to work, play, and create.

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

Change your screen saver settings. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list.

The Microsoft OneDrive icons in desktop notification areas, menu bars, Windows File Explorer and macOS Finder tell you the sync state of the file or folder.