Windows 7 is too large for a standard CD (700MB). You need either:

"Windows 7 does not receive security updates. Using it as a daily driver on an internet-connected PC puts your data at risk (BlueKeep, EternalBlue, etc.). Use only for air-gapped systems or retro-gaming."

If you have found yourself typing into your search bar, you aren't alone. The Internet Archive has become the de facto museum for software preservation. But before you hit that download button, let’s take a proper look at what you are finding, why it’s there, and the crucial safety precautions you need to take.