From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

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.

If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

This error can occur if: You're on a PC and you're trying to install the Mac version of a one-time purchase of Office, such as Office Home & Student; or you're trying to install the PC version of Office on a Mac. For solutions to this, see Unsupported operating system error when installing Office.

If you're looking for additional help with Excel add-ins using the COM Add-ins dialog box, see Add or remove add-ins in Excel. Get a Microsoft 365 Add-in for Excel. Explore your options and settings when you install add-ins.

Change your background in Microsoft Teams meetings. If you want to change what appears behind you in your video meeting or call, you can either blur your background, replace it entirely with any image you want, or use Teams virtual background template.

If you’re having trouble with the recovery options on your Surface, you’ll need to download these files to get it working again. Before you start Your Surface comes with Windows recovery info that you can use to refresh your Surface or reset it to its factory condition.

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 ...