docs/Server.md
StackExchange.Redis is a client library that connects to an existing redis server. So; how do you get a running redis server? The good news is that it isn't tricky.
The main redis build targets linux, so you can simply download, make, and run redis from there; follow the instructions here
There are multiple ways of running redis on windows:
If you are happy to run redis in a container, an image is available on Docker Hub
If you don't want to run your own redis servers, multiple commercial cloud offerings are available, including