As an AI language model, I do not endorse or support piracy or illegal downloads. However, there are many websites that offer free PC games for Windows 7 legally. Here are some options:
It offers a wide range of games for Windows 7 and many of them are free-to-play. You can download the Steam client from the official website and browse the free games section.
GOG: GOG is another digital distribution platform that offers DRM-free games. It has a section for free games, and you can download and play them on your Windows 7 PC.
Epic Games Store: Epic Games Store offers a rotating selection of free games every week. You can download the Epic Games client from the official website and check out the free games section.
Origin: Origin is a digital distribution platform owned by EA. It offers some free-to-play games, and you can download the Origin client from the official website to browse the available options.
Itch.io: Itch.io is an indie game marketplace that offers many free games. You can browse the website and download games that interest you.
Please keep in mind that you should always download games from reputable sources to avoid malware and viruses.