Get expert advice, dedicated support, and personalized guidance from business specialists. With Business Assist, get help making Microsoft 365 products work for you and everyone in your business. Learn more

Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Set up Office apps and email on a mobile device. Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.

See I forgot the account I use with Office. 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.

An Incoming webhook lets external applications share content in chats and channels in Microsoft Teams. Webhooks are used as tools to track and notify. You can post to a channel or chat when a webhook request is received.

Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.

You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.

Explore subscription benefits, browse training courses, learn how to secure your device, and more. Microsoft 365 subscription benefits. Microsoft 365 training. Microsoft security. Accessibility center. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge. Ask the Microsoft Community.

Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person.

Office 2021 是作为一个 一次性购买 出售，这意味着你需要预先支付一次性的付款，以在一台计算机上获取 Microsoft 365 应用。. 一次性购买的产品适用于 PC 和 Mac。. 但是一次性购买的产品没有升级的选项，这意味着如果您打算升级到下一个主要版本，您需要全价 ...

Latest updates for Microsoft Copilot. As your everyday AI companion, Microsoft Copilot assists you with everything from starting with a blank page to finding the perfect words. It simplifies tasks, boosting your productivity and ensuring you focus on what matters most.