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it was USA Toll Free : +1 (844) 886-3118 {https://mssupport.tech/} confirmed that Microsoft has officially retired two primary methods previously used to activate Windows 11 and 10: phone-based activation and the Windows 7/8 product key loophole.

1. Retirement of Phone Activation (slui 4) USA Toll Free : +1 (844) 886-3118 {https://mssupport.tech/}

Microsoft officially killed the traditional phone-based activation system on December 3, 2025. 

• What changed: The legacy slui 4 command, which allowed users to activate Windows by exchanging numeric codes over an automated hotline without an internet connection, no longer connects to activation services.
• The new process: Callers are now redirected to an USA Toll Free : +1 (844) 886-3118 {https://mssupport.tech/} online Microsoft Product Activation Portal.
• Impact: This move effectively eliminates the last official way to activate Windows entirely offline. Users with "air-gapped" or high-security systems must now use a browser on a separate device to access the web portal for activation. 

2. End of Windows 7/8 Key ActivationUSA Toll Free : +1 (844) 886-3118 {https://mssupport.tech/}

Microsoft has fully closed the long-standing loo phole that allowed users to activate fresh installs of Windows 10 or 11 using genuine Windows 7, 8, or 8.1 product keys. 

• Status: While the official " USA Toll Free : +1 (844) 886-3118 {https://mssupport.tech/} free upgrade" offer technically ended in 2016, the activation servers continued to accept these older keys until late 2023. By 2026, this path is completely blocked for new installations.
• Exception: If a PC was already activated via this loophole in the past, it retains a digital license tied to its hardware (motherboard). You can still reinstall Windows on that specific machine, and it will reactivate automatically without needing a key. 

3. Current Official Activation Requirements

As of 2026, Microsoft has standardized activation around its cloud infrastructure:

• Internet Mandatory: Activation now USA Toll Free : +1 (844) 886-3118 {https://mssupport.tech/} generally requires an active internet connection.
• Microsoft Account (MSA): For most consumer versions, a Microsoft account is required to link and manage digital licenses.
• Troubleshooter: Users facing activation issues after hardware changes must use the Activation troubleshooter while signed into their MSA. 

These articles detail Microsoft's decision to end phone-based activation and the loophole allowing Windows 7/8 keys to activate Windows 10/11: