Here is error message :
> angular-phonecat@0.0.0 postinstall D:\prem\angular\angular-phonecat > bower install bower ENOGIT git is not installed or not in the PATH npm ERR! Windows_NT 6.1.7600 npm ERR! argv "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs \\node_modules\\npm\\bin\\npm-cli.js" "install" npm ERR! node v0.12.4 npm ERR! npm v2.10.1 npm ERR! code ELIFECYCLE npm ERR! angular-phonecat@0.0.0 postinstall: `bower install` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the angular-phonecat@0.0.0 postinstall script 'bower install' .npm ERR! This is most likely a problem with the angular-phonecat package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! bower install npm ERR! You can get their info via: npm ERR! npm owner ls angular-phonecat npm ERR! There is likely additional logging output above. npm ERR! Please include the following file with any support request: npm ERR! D:\prem\angular\angular-phonecat\npm-debug.log