The Beta Sia is currently
version 0.3.1. All of the current coins are testnet coins.
Using the current Sia interface, it is possible to upload, download, and share
files. It is also possible to mine blocks and send money to other people. Sia
is available for Linux, Mac, and Windows. Below are some screenshots.
Linux 64bitMac 64bitWindows 64bit Please modify those links. It offers 0.3.0 (win64), while 0.3.3 is available at siacoin.com.