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Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Windows パスワードを変更またはリセットする - Microsoft サポート
Windows パスワードを変更またはリセットする. Windows デバイスのパスワードを忘れた場合や紛失した場合は、パスワードを変更またはリセットできます。. 開始するには、下のタブから Windows のバージョンを選択します。. Microsoft はセキュリティを真剣に ...
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.
How to earn Microsoft Rewards points - Microsoft Support
Here are some of the ways you can earn Microsoft Rewards points: Search with Bing *. Search the web through the search box on the taskbar on your Windows 10/11 device. Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web). For more ...
适用于: Microsoft 帐户仪表板
Fix problems with your PC by using Windows Update
To fix problems using Windows Update: Select Start > Settings > System > Recovery > Fix problems using Windows Update. After you select the Reinstall now option, choose if you want to allow the PC to automatically restart 15 minutes after the installation completes. Select OK when you’re ready to start the installation.
تشغيل Bing البحث الآمن أو إيقاف تشغيله - دعم Microsoft
افتح مستعرضا واذهب إلى Bing.com . حدد الأيقونة في الزاوية العلوية اليسرى من نافذة Bing.com. حدد الإعدادات ، ثم حدد المزيد. اختر تفضيل البحث الآمن: صارم أو متوسط أو إيقاف تشغيل. حدد حفظ في أسفل القائمة ...
Calculate the difference between two dates - Microsoft Support
Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following. Warning: If the Start_date is greater than the End_date, the result will be #NUM!.
适用于: Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
Update drivers manually in Windows - Microsoft Support
In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...
Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
Update to the new Microsoft Edge - Microsoft Support
At the top corner of the browser, select Settings and more > Settings . To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts. To change startup behavior, select On startup, and then select what you want Microsoft Edge to display on startup.