How to Install nodejs, mongodb in your system ?

There are few simple step if  you follow after that you enjoy angularJS, nodeJS and mondo db in your system...........

step 1. install NPM in your system from nodejs.org or npmjs.com
step 2. goto CMD and type following cammands
step 3. node -v (check version of  node )
step 4. npm install -g (npm install globaly in computer)
step 5. npm install bower -g (bower install globaly in your system)
step 6. npm install -g yo ( install yo globaly)

step 7. npm install -g grunt-cli bower yo generator-karma generator-angular (paste this line )

step 8. install mongodb in your system.

now every thing in going well and your setup is finish .lets enjoy your coding...
if you have any problem then comment here thanx..