Error 0xC004F065 — The application is running in a valid trial period (non-genuine)

Error 0xC004F065: Application is running within the valid non-genuine period

This error occurs in: Windows 10, Windows 11.

Cause

The Windows system has detected that it is not genuine, but it is still operating within the tolerance period (usually 30 days). This warning precedes full functionality restriction.

Symptoms

• During activation, the message appears: "Application is running within the valid non-genuine period"
• Error code: 0xC004F065
• English version: "The application is running within the valid non-genuine period"

Step-by-Step Solution

Activate the system using the original product key before the tolerance period expires.

Method 1: Reactivation via Settings

1. Open Settings → System → Activation
2. Click Troubleshoot (if available)
3. Click Change product key
4. Enter the key from KluczeSoft and click Next → Activate

Method 2: Activation via Command Line

Open Command Prompt as administrator and type:

slmgr /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
slmgr /ato

Replace XXXXX-... with your product key.

Method 3: Phone Activation

If online activation does not work:

slui 4

Call the displayed number and follow the instructions.

Verification

After performing the steps, check if the activation was successful:

• Windows: Settings → System → Activation → should be "Windows is activated"
• Or: slmgr /xpr in the command line

Still Not Working?

If the above steps did not help:

1. Check date and time — they must be correct (incorrect date can block activation)
2. Temporarily disable antivirus and try again
3. Check internet connection — online activation requires a connection to Microsoft servers
4. Contact us:
   • Email: [email protected]
   • Phone: 00 800 121 1654 (free)
   • Help Center: pomoc.kluczesoft.pl