error when trying to install n

npm ERR! notsup Unsupported
npm ERR! notsup Not compatible with your operating system or architecture: n@2.1.2
npm ERR! notsup Valid OS:    !win32
npm ERR! notsup Valid Arch:  any
npm ERR! notsup Actual OS:   win32
npm ERR! notsup Actual Arch: x64

npm ERR! System Windows_NT 6.1.7601
npm ERR! command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js"
 "install" "-g" "n"
npm ERR! cwd H:\
npm ERR! node -v v0.10.5
npm ERR! npm -v 1.2.18
npm ERR! code EBADPLATFORM
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     H:\npm-debug.log
npm ERR! not ok code 0