Hello.
This is the standard procedure when online activation fails or when moving a license to new hardware.
Step 1: Install the New Product Key
- Go to Settings > Update & Security > Activation (Windows 10) or Settings > System > Activation (Windows 11).
- Click Change Product Key.
- Enter your 25-character product key and click Next.
Step 2: Force Phone Activation
- Press the Windows Key + R on your keyboard to open the Run dialog.
- Type slui 4 and press Enter.
- Select your Country/Region from the list and click Next.
- Call the Toll-Free number provided on the screen.
- Follow the automated voice prompts to enter the Installation ID displayed on your monitor.
- The system will provide you with a Confirmation ID. Enter this into the empty boxes on your screen to complete the process.
I am happy to follow up if you encounter any errors with the automated phone system.
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