The download came in the form of a single, compressed file.
Important: You must download either a 32-bit or 64-bit driver, corresponding to the type of Windows 7 you have installed.
It's important to download a driver directly from its source so you're sure you're getting the most valid, tested, and recent driver possible See How To Find and Download Drivers From Manufacturer Websites if you need help.
As you can see in the screenshot above, I've visited Intel's site to download the driver for my Intel-based network card.
Some downloads will also include both 32-bit and 64-bit versions of a driver with the 32-bit driver in one folder and the 64-bit version in another, sometimes nested under an operating system labeled folder as well.