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We're going to be writing up more detailed documentation soon! I've pulled in some documentation from our private wiki. You can see all the SDK documentation pages at the end of this document (or in the bar on the left side of the screen).
Downloading the SDK build
You must own Chivalry to use the SDK. To download itThe SDK build is a branch of Chivalry that includes an editor; it's the full game and can be used for both creating a testing/playing custom content. Eventually, this branch will be merged with Chivalry-proper and moved out of the Beta.
To download the SDK build, open up your Steam Library, right click on Chivalry: Medieval Warfare Beta and go to Betas. Choose the SDK beta. You'll then be subject to a ~3-5 GB download. If you ever want to switch back to the normal Chivalry Beta, you'll again be subjected to a large download. This will be true every time you try to switch between the two.
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