Install on Windows
Download
You can download the latest release here. Unzip and run svtplay-dl.exe from a command prompt / terminal.
Then you should downloadffmpeg and put ffmpeg.exe in the same folder assvtplay-dl.exe. if you do that it will merge audio and video file into one file.
If you'd like the latest bleeding edge build from the current master, you'll find it here:
From source
See the Install from source page