If you don't want to install software, these web-based tools work in most Windows 7 browsers, though performance can vary based on the browser's health.
To ensure your Windows 7 speed test reflects your actual line performance rather than a local bottleneck: Internet speed test for Windows - Speedtest by Ookla speed test download windows 7
: The most popular web-based option. Simply click "Go" to begin a comprehensive test of your connection. If you don't want to install software, these
: This tool allows you to measure speed by testing any specific download link, which is useful for checking the performance of a particular remote server. speed test download windows 7
: A simple, free application designed specifically for measuring Windows 7 internet connections with a focus on ease of use. Online Speed Test Tools