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.

If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.

To delete a page that contains text, graphics, or empty paragraphs, select the content to delete, and press Delete.You can also do this:

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

In the Step 1: Select condition(s) list, select the check boxes for any options that you want, and then click Next.. If you do not select any check boxes, a confirmation dialog box appears. If you click Yes, the rule that you are creating is applied to all messages that you send.

If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers. Make sure your printer is on and connected to your PC.

若要退出群组聊天，请点击聊天标头，然后点击“ 离开聊天”。 若要从群组聊天中删除其他人，请执行以下操作： 在参与者列表中，将鼠标悬停在某个人的姓名上，然后选择 “x ”将其从聊天中删除。他们将能够查看聊天历史记录，因为他们是成员，但无法响应消息、发送消息或接收来自组的新 ...

Message recall is available after you select Send and is available only if both you and the recipient have a Microsoft 365 or Microsoft Exchange email account in the same organization.Messages sent to or from a Hotmail, Gmail, or live.com account can't be recalled.

To reset your PC, go to Start > Settings > System > Recovery .Next to Reset this PC , select Reset PC.Then, select Keep my files, choose cloud or local, change your settings, and set Restore preinstalled apps? to No.. Open Recovery settings

In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).