What is rimworld alpha 17 download?

As an AI language model, I do not have access to up-to-date information on the Rimworld Alpha 17 download. However, I can tell you that Rimworld is a sci-fi colony management simulation game developed by Ludeon Studios. Alpha 17 was released on February 24, 2017, and introduced new features such as new background music and sound effects, a new temperature system, and a revamped cooking system. The game is still being actively developed and has a thriving modding community. To download the latest version of Rimworld, you can visit the official website or popular gaming platforms such as Steam.