Choose from a variety of Surface devices and accessories to get help.

Saiba como ativar o Windows usando uma chave do produto ou uma licença digital, verificar seu status de ativação e vincular a sua conta Microsoft.

Learn how to sign in, sign out, lock, and switch user account in Windows.

Learn how to control your PC by voice using Windows Speech Recognition commands for dictation, keyboard shortcuts, punctuation, apps, and more.

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

For Windows 10. In the search box on the taskbar, type control panel, and then select Control Panel.. For Windows 8.1 / Windows RT 8.1. Swipe in from the right edge of the screen, tap Search (or if you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search), enter Control Panel in the search box, and then tap or click Control Panel.

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

In the Edit Hyperlink dialog, select the text in the Text to display box.

通常とは異なるアクティビティについてのメールを受け取った場合、Microsoft アカウントの最近のサインイン アクティビティを確認します。

Learn how to make items on the screen appear larger by using Magnifier in Windows.