Windows⏱️ 2 min read📅 2026-05-29

How to Fix END_OF_NT_EVALUATION_PERIOD Error – END_OF_NT_EVALUATION_PERIOD BSOD Windows Evaluation Expired

Fix Windows Evaluation Expired error code END_OF_NT_EVALUATION_PERIOD with this step-by-step guide.

Quick Answer: Activate your Windows copy or purchase a new one to resolve the BSOD Windows Evaluation Expired error.

The 'Windows Evaluation Expired' error, also known as END_OF_NT_EVALUATION_PERIOD, is a critical issue that can cause your system to crash. This error typically occurs when you're running a trial version of Windows and the evaluation period has expired.

⚠️ Common Causes

  • Outdated or corrupted Windows installation
  • Incompatible software or drivers

🛠️ Step-by-Step Fixes

Method 1: Quick Fix

  1. Step 1: Restart your system and immediately activate Windows by entering the product key or purchasing a new one.
  2. Step 2: If you're unable to activate Windows, try uninstalling any recently installed software or drivers that may be causing the issue.

💡 Conclusion

By following these steps, you should be able to resolve the 'Windows Evaluation Expired' error and get your system up and running again. If the issue persists, it may be worth seeking further assistance from a Windows expert or Microsoft support team.

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