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.

Select the Start button, then type control panel in the search box next to the Start button on the taskbar and select Control Panel (Desktop app) from the results. Search Control Panel for Recovery, and select Recovery > Open System Restore > Next . Choose the restore point related to the problematic app, driver, or update, and then select Next ...

Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Check the recent sign-in activity for your Microsoft account if you get an email about unusual activity.

Like other search engines, Bing uses your web search history to improve your search experience by showing you suggestions as you type, providing personalized results, and more. Cortana also uses your search data to give you timely, intelligent answers and personalized suggestions, and to complete other tasks for you.

Select the Sent Items folder. Select or double-click the message so it opens in another window. Select File > Info. Select Message Resend and Recall > Recall This Message..., and select one of the two options. Select Delete unread copies of this message to recall the sent message. Select Delete unread copies and replace with a new message to ...

Windows 10. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Open Device Manager.

Using formulas in calculated columns in lists can help add to existing columns, such as calculating sales tax on a price. These can be combined to programmatically validate data. To add a calculated column, click + add column then select More. Note: Calculated fields can only operate on their own row, so you can't reference a value in another ...

Use the Microsoft Wireless Display Adapter. Surface. The Microsoft Wireless Display Adapter is a strong, reliable way to project your content, photos, and videos to a big screen.

If there’s already a hyperlink in your message but the link text doesn’t mean anything (except to a computer), follow these steps to change it: Right-click anywhere on the link and, on the shortcut menu, click Edit Hyperlink. In the Edit Hyperlink dialog, select the text in the Text to display box. Type the text you want to use for the link ...

Intro to Microsoft Teams. Microsoft Teams is a collaboration app built for hybrid work so you and your team stay informed, organized, and connected — all in one place. Tip: Get tech expertise with Business Assist. Connect with our small business advisors for help making Microsoft 365 products work for you and everyone in your business. Learn ...