polymer init bash: polymer: command not found <p>Install git. Install the latest version of Bower. npm install -g bower npm install -g polymer-cli install these one but polymer init bash: polymer: command not found i am trying so many times but not resolve this error please solve this error $ npm install -g polymer-cli npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue npm WARN deprecated minimatch@0.2.14: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue npm WARN deprecated graceful-fs@1.2.3: graceful-fs v3.0.0 and before will fail o n node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible . Use 'npm ls graceful-fs' to find it in the tree. npm WARN deprecated lodash@1.0.2: lodash@&lt;3.0.0 is no longer maintained. Upgrade to lodash@^4.0.0. C:\Users\Haresh\AppData\Roaming\npm `-- (empty)</p> <p>npm ERR! Windows_NT 6.1.7601 npm ERR! argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\ node_modules\npm\bin\npm-cli.js" "install" "-g" "polymer-cli" npm ERR! node v6.9.1 npm ERR! npm v3.10.8 npm ERR! path C:\Users\Haresh\AppData\Roaming\npm\node_modules\polymer-cli npm ERR! code EPERM npm ERR! errno -4048 npm ERR! syscall rename</p> <p>npm ERR! Error: EPERM: operation not permitted, rename 'C:\Users\Haresh\AppData\ Roaming\npm\node_modules\polymer-cli' -> 'C:\Users\Haresh\AppData\Roaming\npm\no de_modules.polymer-cli.DELETE' npm ERR! at moveAway (C:\Program Files\nodejs\node_modules\npm\lib\install\a ction\finalize.js:38:5) npm ERR! at destStatted (C:\Program Files\nodejs\node_modules\npm\lib\instal l\action\finalize.js:27:7) npm ERR! at FSReqWrap.oncomplete (fs.js:123:15) npm ERR! npm ERR! Error: EPERM: operation not permitted, rename 'C:\Users\Haresh\AppData\ Roaming\npm\node_modules\polymer-cli' -> 'C:\Users\Haresh\AppData\Roaming\npm\no de_modules.polymer-cli.DELETE' npm ERR! at Error (native) npm ERR! Error: EPERM: operation not permitted, rename 'C:\Users\Haresh\AppData \Roaming\npm\node_modules\polymer-cli' -> 'C:\Users\Haresh\AppData\Roaming\npm\n ode_modules.polymer-cli.DELETE' npm ERR! at moveAway (C:\Program Files\nodejs\node_modules\npm\lib\install\a ction\finalize.js:38:5) npm ERR! at destStatted (C:\Program Files\nodejs\node_modules\npm\lib\instal l\action\finalize.js:27:7) npm ERR! at FSReqWrap.oncomplete (fs.js:123:15) npm ERR! npm ERR! Error: EPERM: operation not permitted, rename 'C:\Users\Haresh\AppData\ Roaming\npm\node_modules\polymer-cli' -> 'C:\Users\Haresh\AppData\Roaming\npm\no de_modules.polymer-cli.DELETE' npm ERR! at Error (native) npm ERR! npm ERR! Please try running this command again as root/Administrator.</p> <p>npm ERR! Please include the following file with any support request: npm ERR! C:\Users\Haresh\npm-debug.log npm ERR! code 1</p>