Learn how to download and install apps you need from your Microsoft 365 business subscription.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Microsoft 工作区折扣计划(以前称为家用许可计划)，则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用（如 Word 或 Project）的步骤可能会有所不同：如果你通过公司购买了 Microsoft 365 供个人使用，请参阅通过工作场所折扣计划。

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

了解如何从 Microsoft 365 商业版订阅下载和安装所需的应用。 提示 登录可将应用连接到 Microsoft 365 的其余部分，使你能够将文件保存到云、与他人共享文件，并在工作时自动保存文档。

Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Learn how to sign in to your Hotmail account, now known as Outlook.com, and access your emails.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Use your scanner and download an app from Microsoft Store to scan a document or picture to your PC.