Una alternativa para Windows a nvm es nvmw para poder tener varias versiones de node.js en una misma pc o servidor.

Require

Instalación

Clonar repositorio

$ git clone git://github.com/hakobera/nvmw.git "%HOMEDRIVE%%HOMEPATH%\.nvmw"

Habilitar la variable de entorno

$ set "PATH=%HOMEDRIVE%%HOMEPATH%\.nvmw;%PATH%"

Uso

Usage:
  nvmw help                    Show this message
  nvmw install [version]       Download and install a [version]
  nvmw uninstall [version]     Uninstall a [version]
  nvmw use [version]           Modify PATH to use [version]
  nvmw ls                      List installed versions

Example:
  nvmw install v0.6.0          Install a specific version number
  nvmw use v0.6.0              Use the specific version

Fuente: https://github.com/hakobera/nvmw