What is the best way to buy windows 7 product key cheap or free?

If you've reinstalled Windows 7 and need to retrieve Windows 7 product key, here are a few methods to find it.

Method 1: Use a Key Finder Tool (If Windows Was Previously Activated)]

Since you've reinstalled Windows, the key may not be stored in the registry anymore. However, if you had an activated Windows 7 before the reinstall, you can use a key finder tool on another computer where Windows 7 was installed (if available) or from a backup.

Method 2: Retrieve from BIOS (OEM Computers)

Some OEM manufacturers (Dell, HP, Lenovo, etc.) embed the Windows 7 key in the BIOS. You can extract it using:

RWEverything (Advanced users) or ProduKey (select "Load the product key from BIOS").

Important Notes:

If you reinstalled Windows 7 without backing up your key, and it was not stored in BIOS or on a sticker, recovery may be difficult.

For Windows 7 reinstall, you can skip entering the key during setup and activate later (if previously activated).

If this does not work, then you find other method to activate windows 7 free without buying a windows 7 product key. There are many solutions for this online!