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Product activation for Windows – online & support telephone numbers
Press Windows logo key + R, type slui 4 in the Open box, and select OK. Select your location (or the location nearest to you) from the drop-down list, and then select Next . Call one of the available phone numbers listed.
Fix Windows 10 activation error 0x803F7001 - Microsoft Support
Windows 10. If you see error code 0x803F7001, it means that a valid license couldn’t be found to activate Windows on your PC. This can happen for several reasons: This is the first time Windows 10 has been installed on this PC.
Get help with Windows activation errors - Microsoft Support
slui.exe is a command-line tool that helps you activate Windows 11, 7, or 8.1. Learn how to troubleshoot and fix common activation errors with slui.exe, such as hardware changes, product key issues, or license expiration. Find your product key, use the Activation troubleshooter, or reactivate after a hardware change.
How to activate Windows 10 Pro for Workstations and Windows 10 Pro EDU
The SLUI 04 command shouldn’t be used—it won’t produce a usable installation ID or confirmation ID. You can only enter a new product key by going to Settings > Update & Security > Activation and selecting Change product key .
Windows activation or validation fails with error code 0x8004FE33
Windows activation or validation fails when you try to activate Windows operating systems over the Internet. Additionally, you may receive one or more of the following errors: Error code: 0x80004005 Description: License Activation (SLUI.exe) failed.
Using the Windows Activation troubleshooter - Microsoft Support
Windows 11 Windows 10. 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. If you're unable to activate Windows 11, the Activation troubleshooter could help.
HOW TO: Enable and disable Auto-activation feature in Windows Vista
To enable the Auto-activation feature, follow these steps: Click Start, type regedit in the Start Search box, and then click regedit.exe in the Programs list. Note: If you are prompted for an administrator password or confirmation, type your password or click Continue.
KB5001692: Windows Activation fails with error 0xc004c003 on devices ...
Product Key < Product key > We can’t activate Windows on this device because you don’t have a valid digital license or product key. If you think you do have a valid license or key, select Troubleshoot below. Error code 0xc004c003.
Reactivating Windows after a hardware change - Microsoft Support
Windows 10. Windows 11 Windows 10. 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. When installing Windows 11, the digital license associates itself with your device's hardware.
Token activation cannot activate Windows 8.1 when multiple certificates ...
Fixes an issue in which you cannot activate Windows by using token activation when multiple certificates are available on a computer that is running Windows 8.1, Windows RT 8.1 or Windows Server 2012 R2.