Windows Home Basic Product Key [better] -

: You can create a simple VBScript using Notepad to extract the key from your system's registry, as suggested by Lenovo Support .

While "Windows Home Basic" is an older, lesser-known edition (mainly for emerging markets), a you could build or use related to its product key is:

While Windows 7 Home Basic was once a budget-friendly option for emerging markets, the product key now unlocks an operating system that is past its End of Life (EOL). It receives no security updates, poses significant security risks, and lacks modern driver support.

This tool would:

: For many older laptops, the key is located on a Certificate of Authenticity (COA) sticker physically attached to the computer case or under the battery.