Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 家庭版, Office 商业版, Microsoft 365 管理员, Project for Office 365
Product keys for Windows - Microsoft Support
Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.
Troubleshoot external monitor connections in Windows 10
Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.
Shut down, sleep, or hibernate your PC - Microsoft Support
Turn your PC off completely. To shut down, select Start and then select Power > Shut down.. Sleep. Sleep uses very little power, your PC starts up faster, and you’re instantly back to where you left off.
PC에서 TPM 2.0 사용 - Microsoft 지원
PC에서 TPM 2.0을 실행할 수 있는지 또는 TPM 2.0을 사용하도록 설정하여 Windows 11 업그레이드할 수 있는지 검사 방법을 알아봅니다. TPM을 사용하도록 설정하는 방법 TPM을 사용하도록 설정해야 하는 경우 이러한 설정은 UEFI BIOS(PC 펌웨어)를 통해 ...
Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
Move your files to a new Windows PC - Microsoft Support
The above options will help you move files to your new PC. To access your favorite Microsoft apps and services from any device, be sure to sign in with your Microsoft account.It will connect you to your tools and subscriptions, plus help you manage your digital life, privacy settings, and the health and safety of your devices.
How to sign in to or out of Outlook.com - Microsoft Support
In Outlook.com, select your account picture at the top of the screen. Select Sign out. Go to the Outlook.com sign-in page and select Sign in. Enter your email address or phone number and select Next. On the Enter password page, clear Keep me signed in.
适用于:
Outlook.com
Change or reset your password - Microsoft Support
Important: Microsoft accounts, the Windows operating system, and other Microsoft products include passwords to help secure your information.This article provides some options that you can use to reset or recover your password if you forget it. Be aware that, if these options don’t work, Microsoft support can't help you retrieve or circumvent a lost or forgotten password.
Update Windows - Microsoft Support
Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.