Describes the new and improved features of Microsoft Windows Installer 4.5. The article also discusses the issues that are addressed from earlier versions of Windows Installer.

Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history.

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.

Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.

A Microsoft account is a personal account required for access to Microsoft’s products and services.

Find out how to get a DVD player app, add-on, or plug-in, or whether you can upgrade your edition of Windows to add DVD playback.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Learn what types of controllers will work when cloud gaming using the Xbox app or web browser.

Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.

培训：通过此快速入门快速启动和运行 Skype for Business。