Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

Real-time protection is a feature in the Windows Security app that continuously monitors your device for potential threats such as viruses, malware, and spyware. This feature ensures that your device is actively protected by scanning files and programs as they are accessed or executed.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. This article will help you troubleshoot and fix common activation errors in Windows.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Windows activation does not work when the sppsvc.exe process is not started automatically for a long time. This issue occurs because the Task Scheduler does not correctly trigger events including the rescheduling of events when the computer is started after an overdue task.

This update for Windows Activation Technologies helps detect validation errors and activation exploits. This update also detects any tampering attempts made to important Windows 7 system files.

To apply this hotfix, you must have IIS 7.0 or IIS 7.5 installed on a computer that is running one of the following operating systems. For IIS 7.5. You must restart the computer if IIS is running when you apply this hotfix. This hotfix does not replace any other hotfixes.

Use the Windows Activation Wizard to activate Windows through the automated telephone system. To do this, follow these steps for your version of the operating system.