First step. Install Node.js
Download Node.js on the official website Node.js. Install the software refering to the detailed instructions. The software could be any version higher than, including 0.12.9.The installation environment should be higher than win7 x64.
Acquire the latest OnceDoc released version and decompress it. Find the 'start.cmd' file under the catalog 'oncedoc.release'. Doulbe click the file to operate the OnceDoc local server and complete the installation.