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需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。
OneNote help & learning
Get answers to all of your OneNote questions with our how-to articles, training videos, and support content.
Automatically diagnose and fix problems with Windows Firewall
In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Firewall Troubleshooter.
Windows 7 support ended on January 14, 2020
The Windows 10 free upgrade offer ended on July 29, 2016. To upgrade to Windows 10, you will need to have a compatible PC and purchase a full version of the software.We recommend that you don’t install Windows 10 on an older device, as some Windows 7 devices are not compatible with Windows 10 or could experience reduced feature availability.
Recovery options in Windows - Microsoft Support
Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.
Renew Microsoft 365 for personal or family use
This article explains how to renew your Microsoft 365 subscription for personal or family use and what you can do after you renew.It also provides detailed troubleshooting help.. If you need help managing your payment, see Add, update, or remove credit cards and other ways to pay.. If you want to check prices before you renew, see Choose the right Microsoft 365 for you.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Microsoft 365 for home, Office for business, Office activation
Error codes in Device Manager in Windows - Microsoft Support
Cause. The device has no drivers installed on your computer, or the drivers are configured incorrectly. Recommended Resolution. Update the Driver. In the device's Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard.Follow the instructions to update the driver.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Small business help & learning
Find the information you need to build, run, grow, and support your small business in Microsoft 365.
Включение и отключение брандмауэра Microsoft Defender
Инструкции по включению и отключению брандмауэра Microsoft Defender. Для выключения переключите этот параметр в положение Выкл.. Отключение брандмауэра Microsoft Defender может сделать ваше устройство (и сеть, если таковая имеется ...