Select Start > Settings > System > Activation . Select Change product key, and then enter the 25-character product key. Open Activation settings. If you've made a major change to your device's hardware, such as a motherboard replacement, run the Windows Activation troubleshooter located on the activation settings page.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes. To contact us in Outlook.com, you'll need to sign in. If you can't sign in, click here . For other help with your Microsoft account and subscriptions, visit ...

Enhanced Search Experiences. In addition to core algorithmic search functions, Bing provides users with additional features to help provide additional context and information and enhance the search experience. For example, if users want to know which team won last night's game, when users search on Bing for a team name, they are likely to see ...

激活 Microsoft 365 或非订阅版本的 Office. 当启动未激活的 Microsoft 365 应用时，系统将提示登录到 Microsoft 365。. 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。. 注意: 如果新设备上预安装了 Microsoft 365，请参阅 激活新 Windows 设备上 ...

Open the Sticky Notes app and view your list of notes. If only a single note is displayed when you open the app, click or tap the ellipsis icon ( … ) in the upper-right of the note and then click or tap Notes list. Scroll or search for your note in the notes list. To re-pin a note to the desktop, tap or double-click the note.

Try running the compatibility troubleshooter: In the search box on the taskbar, type Run programs made for previous versions of Windows and select it in the results. Select Next, select the program you're having trouble with, then select Next again. Select Troubleshoot program (or you can select Try recommended settings to try that).

Under Personalization & advertising, turn on or off the setting for Allow Microsoft to save your browsing activity including history, usage, favorites, web content, and other browsing data to personalize Microsoft Edge and Microsoft services like ads, search, shopping and news.

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

To capture someone's attention in an email or meeting invite, type the @ symbol followed by their name within the message or invite. Doing so will highlight their name and prompt Outlook to add them to the To line, ensuring they notice, and add the @ symbol next to their message in the Inbox. Select a tab option below for the version of Outlook ...

To select and delete nonconsecutive emails, click the first email, press and hold the Ctrl key, click each email that you want to delete, and then press the Delete key. Tips: To unselect an email, press and hold the Ctrl key, and then click the email. To select all the emails in the active folder, press Ctrl+A. Top of Page.