: If your PC came pre-installed with Windows 7 (e.g., Dell, HP), it likely has a Certificate of Authenticity (COA) sticker on the casing with the product key. Many OEM devices also use a BIOS marker (SLIC table) to trigger automatic activation if reinstalled with the original recovery media. System Requirements (32-bit)

Open the menu and type slui.exe 4 into the search box, then press Enter.

Windows 7 Professional (32-bit) reached its official end of life on . While Microsoft no longer provides security updates or official sales for this version, activation remains possible through several legitimate methods if you have a valid 25-character product key. Core Activation Methods