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To display the expiration date of the current license, run the following command. To display more detailed license information–including the activation ID, installation ID, and other details–run the following command: slmgr.vbs /dlv This command tells you the edition of Windows, part of the product key so you can identify it, and whether the system is activated. To display very basic license and activation information about the current system, run the following command. View Activation, License, and Expiration Date Information On Windows 7, search the Start menu for “ Command Prompt”, right-click it, and select “ Run as Administrator”. Click the “ Command Prompt (Admin)” option in the menu that appears.
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To do so on Windows 8 or 10, either right-click the Start button or press Windows + X. To use this tool, you will want to launch a Command Prompt with Administrator access. This command line tool is included with Windows, and provides options unavailable in the standard activation interface provided on the Update & Security > Activation screen in the Settings app.
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If you want to do something more advanced like remove a product key, force an online activation, or extend the activation timer, you will need Slmgr.vbs. Windows activation is designed to be as foolproof as possible, so Microsoft’s graphical tools keep it simple. To totally unlock this section you need to Log-in
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