node.js - Ionic won't install -

i ask help. have problem installatio of ionic. tried admin rights.

my steps:

npm uninstall ionic -g  npm uninstall cordova -g  npm cache clean npm install minimatch -g npm install cordova -g  npm install ionic -g 

this output of bash:

$ npm install -g ionic@latest c:\users\michal\appdata\roaming\npm\ionic -> c:\users\michal\appdata\roaming\npm\node_modules\ionic\bin\ionic npm err! path c:\users\michal\appdata\roaming\npm\node_modules\ionic\node_modules\nan\package.json npm err! code eperm npm err! errno -4048 npm err! syscall unlink npm err! error: eperm: operation not permitted, unlink 'c:\users\michal\appdata\roaming\npm\node_modules\ionic\node_modules\nan\package.json' npm err!  { error: eperm: operation not permitted, unlink 'c:\users\michal\appdata\roaming\npm\node_modules\ionic\node_modules\nan\package.json' npm err!   stack: 'error: eperm: operation not permitted, unlink \'c:\\users\\michal\\appdata\\roaming\\npm\\node_modules\\ionic\\node_modules\\nan\\package.json\'', npm err!   errno: -4048, npm err!   code: 'eperm', npm err!   syscall: 'unlink', npm err!   path: 'c:\\users\\michal\\appdata\\roaming\\npm\\node_modules\\ionic\\node_modules\\nan\\package.json' } npm err! npm err! please try running command again root/administrator.  npm err! complete log of run can found in: npm err!     c:\users\michal\appdata\roaming\npm-cache\_logs\2017-09-10t09_59_33_279z-debug.log  $ node -v v8.4.0  $ npm -v 5.4.1