安装的io.js x86, 不知道安装的node是32位还是64位的,如何知道呢? 系统是64位win7

npm install -g ivm npm http GET http://registry.npm.taobao.org/ivm npm http 304 http://registry.npm.taobao.org/ivm npm http GET http://registry.npm.taobao.org/ivm/download/ivm-0.2.0.tgz npm http 200 http://registry.npm.taobao.org/ivm/download/ivm-0.2.0.tgz npm ERR! notsup Unsupported npm ERR! notsup Not compatible with your operating system or architecture: [email protected] 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_module s\npm\bin\npm-cli.js” “install” "-g" “ivm” npm ERR! cwd D:\Monica npm ERR! node -v v0.10.25 npm ERR! npm -v 1.3.24 npm ERR! code EBADPLATFORM npm ERR! npm ERR! Additional logging details can be found in: npm ERR! D:\Monica\npm-debug.log npm ERR! not ok code 0