Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

The following new and improved features have been implemented in Windows Installer 4.5. Multiple package transactionIn a multiple package transaction, you can create a single transaction from multiple packages.

After you create a homegroup, other PCs running Windows 7, Windows 8.1, Windows RT 8.1, or Windows 7 on your network can join it. Add your other PCs to the homegroup

When you reach 10,000 points (water or energy points, or combined), a real tree will be planted in Mozambique. After each tree is planted, your points will restart at zero.

下载和安装. 通常 Skype for Business 是随 Microsoft 365 一起安装的。 如果已安装 Microsoft 365，但未安装 Skype for Business 且需要安装它，请参阅：

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.

Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel.If you have a standalone application such as Word or Excel, search for the application name.

What is a Microsoft account used for? You need a Microsoft account to sign in to your Windows pc, Xbox console, or any of Microsoft’s products and services, including Office, Outlook.com, OneDrive, Xbox Live, Microsoft 365, Family Safety, Skype, Bing, Microsoft Store and MSN.