also known as the product key, is essential for activating your operating system. Whether you’re reinstalling Windows, upgrading your hardware, or troubleshooting activation issues, knowing how to find Windows 10 serial key can save you time and hassle.
This guide will walk you through the simplest ways to locate your Windows 10 product key.
Why Is the Windows 10 Serial Key Important?
The Windows 10 serial key is a 25-character code used to activate your operating system. It ensures your copy of Windows is genuine and provides access to important updates and features.
Here are some common reasons you might need your serial key:
- Reinstalling Windows 10 after a reset or clean install.
- Activating Windows on a new device or after hardware upgrades.
- Troubleshooting activation errors during updates or reinstallations.
Let’s explore how to find Windows 10 serial key using different methods.
1. How to Find Windows 10 Serial Key Using Command Prompt
The quickest way to retrieve your serial key is through the Command Prompt.
Steps:
- Open Command Prompt:
- Press Win + S, type cmd, and select Run as administrator.
- Enter the Command:
- Type the following command and press Enter:
- View the Serial Key:
- Your 25-character Windows 10 product key will be displayed.
💡 Note: This method works only if your serial key is stored in the system BIOS or UEFI.
2. How to Find Windows 10 Serial Key Using PowerShell
Another built-in tool, PowerShell, can also help you locate your product key.
Steps:
- Open PowerShell:
- Press Win + X and select Windows PowerShell (Admin).
- Enter the Script:
- Paste the following command and press Enter:
- Check Your Serial Key:
- The product key will appear if it’s stored in your system.
3. How to Find Windows 10 Serial Key in the Windows Registry
If the product key is stored in the registry, you can retrieve it manually.
Steps:
- Open the Run Dialog Box:
- Press Win + R, type regedit, and press Enter.
- Navigate to the Product Key Path:
- Go to:
- Find the Product Key:
- Look for the entry labeled BackupProductKeyDefault. This is your Windows 10 serial key.
💡 Caution: Be careful when navigating the registry to avoid making unintended changes.
4. How to Find Windows 10 Serial Key Using Third-Party Software
If the above methods don’t work, third-party tools can help you retrieve your product key.
Recommended Tools:
- ProduKey:
- Download from NirSoft.
- Shows product keys for Windows and other Microsoft software.
- Belarc Advisor:
- Download from Belarc’s website.
- Provides a detailed system report, including your Windows product key.
Steps:
- Download and install the tool.
- Run the program to scan your system.
- Locate the Windows 10 serial key in the report.
💡 Pro Tip: Use only trusted software to avoid security risks.
5. How to Check Windows 10 Serial Key on Your Hardware or Email
If you purchased Windows 10 separately, the serial key may be available in one of these locations:
- Physical Copy: Check the packaging or certificate of authenticity.
- Email Receipt: If purchased online, search your email for the receipt from Microsoft or the retailer.
- Laptop/PC Sticker: Many laptops have a sticker on the back or bottom displaying the product key.
💡 Note: If your PC came with Windows preinstalled, the product key may be embedded in the BIOS/UEFI, which you can retrieve using the above methods.
What to Do if You Can’t Find Your Windows 10 Serial Key
If you’re unable to locate your product key, consider these options:
- Check Your Microsoft Account:
- If you linked your Windows activation to a Microsoft account, you can reactivate without needing the key.
- Contact Microsoft Support:
- Reach out to Microsoft for help retrieving your activation information.
- Purchase a New Key:
- If all else fails, you can buy a new product key from Microsoft’s official store.
Conclusion: Mastering How to Find Windows 10 Serial Key
Knowing how to find Windows 10 serial key is crucial for activating and maintaining your operating system. Whether you use built-in tools like Command Prompt and PowerShell, check the registry, or use third-party software, the methods outlined in this guide are beginner-friendly and reliable.
Keep your serial key safe to avoid activation issues in the future. Bookmark this guide for quick reference and share it with others who might need help locating their Windows 10 product key.