Linux is a general name for a family of Unix-based operating systems. Linux operating systems are free to download. Debian is a Linux distribution.
Debian is a distribution of Linux, a free operating system. Debian GNU/Linux is based on the linux kernel and the operating system on the GNU project. Debian is an independent decentralised project that is not by a company supports, such as many other Linux distributions (such as openSUSE, Ubuntu and Fedora).
The Debian Project offers 3 different distributions: unstable (not tested, still contains errors), testing (in test phase but is stable enough for most applications) and stable (stable enough to officially release).
Debian has the following characteristics:
You can free download Debian and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.