If you choose this route, always ensure your data is backed up and you are downloading from a trusted community source. Verifying Your Activation Status
Do you need help for free from Windows 8.1? If you choose this route, always ensure your
Enter slmgr.vbs /skms kms8.msguides.com (or another valid KMS server) to set the activation machine. Enter slmgr.vbs /ato to attempt the activation. 3. Activate via Phone (Automated System) Enter slmgr
Windows 8.1 Pro, Build 9600. Activate Windows. Go to PC settings to activate Windows. Activate Windows
| Error Code | Meaning | High-Quality Fix | |------------|---------|------------------| | 0xC004C003 | Key blocked | Use phone activation (Method 1) or HWID script. | | 0x80072EE7 | Server unreachable | Your DNS is blocking activation. Change to Google DNS (8.8.8.8). | | 0xC004F074 | KMS error | You attempted a KMS crack. Run slmgr /rearm and reboot, then use Method 1. | | 0x803FA071 | No internet phone activation | This is fine – proceed with slui 4 anyway. |