A Windows product key is a 25-character code used to activate Windows. It looks like this: Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Make sure GPU hardware acceleration is on. If you see the message "Content not shown in optimal fidelity" when you start PowerPoint Live in Teams, you likely have GPU hardware acceleration disabled. Changing this setting may help, but may be more involved.

A damaged document or problem with the website. Microsoft Edge itself. The printer driver. The Windows operating system. Connectivity or hardware. Instead of making assumptions about what's causing your printing problem, approach the issue by using the following methodical troubleshooting steps.

Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

How to perform a clean boot in Windows. Notes: If your issue prevents you from booting into Windows, you won't be able to follow the steps in this article. After the device tries to restart a few times, you should get Windows Recovery Options, which you can use to try to resolve the issue.

Manage your Microsoft 365 subscription or Office product. You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts. Choose your account type.

To select the cell with a workbook link, click the cell address link for that row in the list box. Tip: Click any column header to sort the column, and group all of the workbook links together. Find workbook links used in defined names. On the Formulastab, in the Defined Namesgroup, click Name Manager.

Surface Pro 3 supports standard Wi-Fi protocols (802.11a/b/g/n/ac) and Bluetooth®, and it has the ports you expect in a full-feature laptop. Full-size USB 3.0 port. Connect USB accessories—like a mouse, a printer, a 4G USB dongle, or an Ethernet adapter. microSD card slot.

A sensitivity label is a Microsoft 365 feature that lets you apply a label to emails or files so they're compliant with your organization's security policies. For more information on sensitivity labels, see Apply sensitivity labels to your files and email in Office.