If you prefer not to download third-party software, you can use built-in Windows tools like PowerShell to retrieve keys stored in the BIOS/UEFI firmware: Start Menu and type "PowerShell". Right-click and select Run as administrator Enter the following command:
If your license is a digital license tied to your Microsoft account, no key may appear. Windows Registry Editor A backup of your key is often stored in the registry. Press Win + R , type regedit , and hit Enter.
Let's walk through the safest and easiest method using . windows product key viewer
| Tool | Portable | Office Keys | BIOS OEM Key | False Positives | Ease of Use | |------|----------|-------------|--------------|----------------|-------------| | ProduKey | Yes | Yes | Yes | High | Moderate | | ShowKeyPlus | Yes | Limited | Yes | None | Very Easy | | Jelly Bean | No | Yes (older) | No | Moderate | Easy | | Belarc | No | Yes | Yes | Low | Moderate (for key) |
Furthermore, note that If your motherboard dies, the OEM license dies with it. Trying to use a viewer to extract that key and install it on a new PC will result in an "Invalid Product Key" error from Microsoft. If you prefer not to download third-party software,
Before downloading external tools, you can try retrieving your key directly from your system. These methods often work for keys embedded in your computer's motherboard (OEM keys). Command Prompt (CMD)
Finding your Windows activation key is a common challenge, especially when you need to reinstall your operating system or move your license to a new machine. Whether you are using Windows 10 or 11, a is often the fastest way to retrieve this 25-character code. Press Win + R , type regedit , and hit Enter
This code serves as proof of purchase. It tells Microsoft that your copy of the operating system is genuine. Depending on how you acquired your computer, this key exists in different states: