Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

O solucionador de problemas de instalação e desinstalação de programas ajuda a reparar problemas automaticamente quando você é impedido de instalar ou remover programas.

Open Edge browser, select Settings and more in the upper right corner of your browser window.. Select Settings > Cookies and site permissions. Select Manage and delete cookies and site data > See all cookies and site data.

A Windows-eszközön a(z) Beállítások alkalmazásban, válassza a Fiókok > Másik felhasználó lehetőséget, vagy használja a következő parancsikont: Egyéb felhasználók. A Másik felhasználó hozzáadása területen válassza a Fiók hozzáadása lehetőséget. Adja meg a bejelentkezéshez szükséges fiókadatokat: Ha a hozzáadni kívánt személy már rendelkezik Microsoft ...

Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!

Informazioni sulle opzioni di ripristino in Windows. Scopri come reimpostare il PC, tornare a una versione precedente di Windows o usare un supporto per reinstallare Windows.

检查编解码器是否过时或损坏： 你可能有一个缺失或过时的编解码器。 有关详细信息，检查文件格式和编解码器要求。. 获取最新的 Windows 更新： 确保使用的是最新版本的 Windows。 若要查看可用更新，请选择“检查 Windows 更新”或选择“开始 > 设置 >更新 & 安全 > Windows 更新 >检查更新”。

If you experience a black or blank screen on your Windows device, try the following: To wake the screen, use one of the following keyboard shortcuts:

Important: If you're unable to insert a form, make sure your web add-ins aren't disabled.In PowerPoint, select Files > Options > Trust Center > Trust Center Settings.In the Trust Center dialog box, choose Trusted Add-in Catalogs.Under Use these settings to manage your web add-in catalogs, uncheck both, Don't allow any web add-ins to start and Don't allow web add-ins from the Office Store to start.