Windows 7 has less than 3 years of life left on it before Microsoft stops doing security patches. At that point the OS's vulnerabilities will never be patched, and no one will be able to maintain it, akin to XP, and in April we'll see Vista join XP in being unsupported.

If you want a platform you can ride ad infinium, Microsoft is the wrong boat to be in. We're using OrangePi boards for everything, since you can build Debian for them with a fully libre stack and no closed firmware.