Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

Windows 8.1 または Windows RT 8.1 でオペレーティング システムの情報を見つける. お使いのデバイスで実行中の Windows のバージョンを確認するには、Windows ロゴ キー キー+ Rを押し、[開く] ボックスに「winver」と入力して、[OK] を選択します。 デバイスが Windows 8.1 または Windows RT 8.1 を実行している ...

Notes: You can either use an email address you own as a Microsoft account, or create a new address by choosing "Get a new email address" or "Use your email instead" when you sign up.

Open User Accounts by clicking the Start button , clicking Control Panel, clicking User Accounts and Family Safety, clicking User Accounts, and then clicking Manage another account .. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Uninstall from the Start menu. Select Start > All apps and search for the app in the list shown.

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

Add a contact from someone's profile card. If you're using Outlook in an organization and you click someone's name or picture in Outlook or other Office apps and services, you might see a profile card with additional information.