Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
如果这是你第一次安装 Microsoft 365,则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365,且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户,请转到“登录并安装 Office”的部分。
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
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.
Install Quick Assist - Microsoft Support
To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.
Add an email account to Outlook for Windows - Microsoft Support
Outlook won't accept my password. If you've forgotten the password for a Microsoft account, user our sign-in helper to get back into your account.. If you know you’re using the correct password for your email account but Outlook won’t accept it, you might have an email account that requires additional security.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, New Outlook for Windows
Camera doesn't work in Windows - Microsoft Support
Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.
Change your app recommendation settings in Windows
Next to Choose where to get apps, select one of the available options.To see recommendations, select Anywhere, but let me know if there's a comparable app in the Microsoft Store.. To stop seeing app recommendations, select Anywhere.
How to add an account in OneDrive - Microsoft Support
To add another account to OneDrive on your computer. If you already have a personal OneDrive account set up, you can only add work or school accounts.
Applies To: OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Upgrade to Windows 11: FAQ - Microsoft Support
An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.
Start your PC in safe mode in Windows - Microsoft Support
Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.
Check your device performance and health in Windows Security
The Health report starts off by showing you the last time a Device Health scan was run. The time displayed should be basically the current time, as Windows Security tries to run a Device Health scan when you open the Device performance & health page.. Beyond the time of last scan you'll see the status of the key areas that Device Health monitors: