If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

Installing Windows 11 on devices that don't meet minimum system requirements. If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Learn more about product keys, Workplace Discount Program, and volume licenses. Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...

Help for admins of small businesses. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

We understand that sometimes purchases of digital game products don’t go as planned. When that happens, we’ll help you request a refund. Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date.

When upgrading to, or updating, Windows 10, you might encounter the error “We couldn’t update system reserved partition”, error code 0xc1900104, or error code 0x800f0922. Cause. The System Reserved Partition (SRP) may be full.

Copilot in Word ushers in a new era of writing, leveraging the power of AI. It can help you go from a blank page to a complete draft in a fraction of the time it would take to compose text on your own. While it may write exactly what you need, sometimes it may be "usefully wrong" thus giving you some helpful inspiration.

要在新设备上使用 Microsoft 365，则可以将 Microsoft 365 激活为 Microsoft 365 家庭版 的 1 个月试用版。. 还可以购买 Microsoft 365 或非订阅版本的 Office，将 Microsoft 365 添加到现有 Microsoft 365 订阅，或从新产品密钥卡输入产品密钥。. 如果你有一个较旧的非订阅版本的 Office ...