Installing from NPM
To install 51Degrees Node.js on your system you will need to run the following command:
npm install 51degrees --save
If you want to install a specific version (not the latest version), you can use:
npm install email@example.com
Where x.x. is the specific release number you wish to install.
If you have a Windows environment and you want to use MS Visual Studio for building C source code you can use:
npm install 51degrees –msvs_version=201x