bower: command not found

[Aaron a]

hi

i install node js and i install bower globally successfully.

when i trying to install jquery on locally it is showing error  bower:command not found

Ex bower install jquery

bower:command not found

here i am using windows 7 os 

and config locations are 

$ npm config get prefix

C:\ProgramFiles\nodejs

$ npm config list --global

; cli configs

global = true

user-agent = "npm/2.15.1 node/v4.4.3 win32 ia32"

; globalconfig C:\Users\ps\AppData\Roaming\npm\etc\npmrc

prefix = "C:\\ProgramFiles\\nodejs"

; builtin config undefined

; node bin location = C:\Program Files (x86)\nodejs\node.exe

; cwd = E:\myapp

; HOME = C:\Users\ps

; 'npm config ls -l' to show all defaults.