D:\servers\nodejs>npm install express -g
npm http GET https://registry.npmjs.org/express
npm http 304 https://registry.npmjs.org/express
npm http GET https://registry.npmjs.org/commander/0.6.1
npm http GET https://registry.npmjs.org/range-parser/0.0.4
npm http GET https://registry.npmjs.org/cookie/0.0.5
npm http GET https://registry.npmjs.org/fresh/0.1.0
npm http GET https://registry.npmjs.org/connect/2.7.2
npm http GET https://registry.npmjs.org/methods/0.0.1
npm http GET https://registry.npmjs.org/cookie-signature/0.0.1
npm http GET https://registry.npmjs.org/send/0.1.0
npm http GET https://registry.npmjs.org/buffer-crc32/0.1.1
npm http GET https://registry.npmjs.org/mkdirp/0.3.3
npm http GET https://registry.npmjs.org/debug
npm http 304 https://registry.npmjs.org/commander/0.6.1
npm http 304 https://registry.npmjs.org/range-parser/0.0.4
npm http 304 https://registry.npmjs.org/fresh/0.1.0
npm http 304 https://registry.npmjs.org/cookie/0.0.5
npm http 304 https://registry.npmjs.org/connect/2.7.2
npm http 304 https://registry.npmjs.org/methods/0.0.1
npm http 304 https://registry.npmjs.org/cookie-signature/0.0.1
npm http 304 https://registry.npmjs.org/send/0.1.0
npm http 304 https://registry.npmjs.org/buffer-crc32/0.1.1
npm WARN package.json methods@0.0.1 No README.md file found!
npm http 304 https://registry.npmjs.org/mkdirp/0.3.3
npm http 304 https://registry.npmjs.org/debug
npm http GET https://registry.npmjs.org/mime/1.2.6
npm http GET https://registry.npmjs.org/qs/0.5.1
npm http GET https://registry.npmjs.org/formidable/1.0.11
npm http GET https://registry.npmjs.org/bytes/0.1.0
npm http GET https://registry.npmjs.org/pause/0.0.1
npm http 304 https://registry.npmjs.org/mime/1.2.6
npm http 304 https://registry.npmjs.org/qs/0.5.1
npm http 304 https://registry.npmjs.org/formidable/1.0.11
npm http 304 https://registry.npmjs.org/pause/0.0.1
npm http 304 https://registry.npmjs.org/bytes/0.1.0
C:\Users\Aries\AppData\Roaming\npm\express -> C:\Users\Aries\AppData\Roaming\npm
\node_modules\express\bin\express
express@3.1.0 C:\Users\Aries\AppData\Roaming\npm\node_modules\express
├── methods@0.0.1
├── fresh@0.1.0
├── range-parser@0.0.4
├── cookie-signature@0.0.1
├── buffer-crc32@0.1.1
├── cookie@0.0.5
├── debug@0.7.2
├── commander@0.6.1
├── mkdirp@0.3.3
├── send@0.1.0 (mime@1.2.6)
└── connect@2.7.2 (pause@0.0.1, bytes@0.1.0, qs@0.5.1, formidable@1.0.11)
npm ERR! Error: read ECONNRESET
npm ERR!     at errnoException (net.js:863:11)
npm ERR!     at TCP.onread (net.js:524:19)
npm ERR! If you need help, you may report this log at:
npm ERR!     <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR!     <npm-@googlegroups.com>

npm ERR! System Windows_NT 6.1.7601
npm ERR! command "D:\\servers\\nodejs\\\\node.exe" "D:\\servers\\nodejs\\node_mo
dules\\npm\\bin\\npm-cli.js" "install" "express" "-g"
npm ERR! cwd D:\servers\nodejs
npm ERR! node -v v0.10.0
npm ERR! npm -v 1.2.14
npm ERR! syscall read
npm ERR! code ECONNRESET
npm ERR! errno ECONNRESET
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     D:\servers\nodejs\npm-debug.log
npm ERR! not ok code 0

D:\servers\nodejs>

貌似不成功
然后又

$ git clone git://github.com/visionmedia/express.git --depth 1
$ cd express
$ npm install