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Contact Us - Microsoft Support
Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.
Reactivating Windows after a hardware change - Microsoft Support
Prepare your Windows 11 device for a hardware change. First, follow these steps to find out if Windows 11 is already activated. Select the Start button, then select Settings > System > Activation . Open Activation settings. If you're not activated, complete the activation process with the steps you see on the Activation page.
Create a system restore point - Microsoft Support
Windows 10. In the search box on the taskbar, type Create a restore point, and select it from the list of results. On the System Protection tab in System Properties, select Create. Type a description for the restore point, and then select Create. Create a system restore point.
Télécharger et installer ou réinstaller Office 2019, Office 2016 ou ...
Choisissez la langue et la version de bit que vous souhaitez, puis sélectionnez Install. Vous êtes maintenant prêt à installer Microsoft 365. Sélectionnez l’onglet ci-dessous correspondant à la version que vous essayez d’installer. Office 2019 ou 2016 pour PC Office 2016 pour Mac Office 2013 pour PC.
适用于: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
How to start a scan for viruses or malware in Microsoft Defender
Windows Android Mac. From the Microsoft Defender dashboard. Select Device details. Select Manage in Windows Security. Select Quick scan. Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want. For the most complete scan, run Microsoft Defender Offline.
适用于: Android 上的 Microsoft Defender, Mac 上的 Microsoft Defender, Windows 上的 Microsoft Defender
File sharing over a network in Windows - Microsoft Support
Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.
Control your Dynamic Lighting devices in Windows
Windows 11. If you have Dynamic Lighting-compatible devices (such as LED-lit keyboards, mice, case lighting, or other devices), you can control them both individually or as a group through Windows Settings, by selecting Start > Settings > Personalization > Dynamic Lighting. When connected, compatible devices will show up as cards along the top ...
Microsoft Edge 說明與學習
如果您是小型企業擁有者. 尋找使用 Microsoft 365 建置、執行及拓展小型企業所需的資訊。. 造訪小型企業說明與學習. 取得 Microsoft Edge 的協助和支援。. 尋找 Microsoft Edge 支援內容、使用方法文章、教學課程等等。.
Switch to the new Microsoft Teams - Microsoft Support
Open the Teams desktop app on your Windows device. Turn on the Try the new Teams toggle at the top of Teams. Select Get it now from the pop-out dialogue. The new Teams will start installing. Your Teams app will reboot to open the new Teams. Any subsequent actions you take will happen in the new Teams by default, like joining a Teams meeting ...
适用于: Microsoft Teams
Troubleshoot problems with your Microsoft mouse or keyboard
Check the placement of the wireless USB dongle. The wireless USB dongle should be plugged into a USB port that allows for the best reception and minimizes the distance between the wireless USB dongle and the keyboard or mouse.