i have a problem with GetX FLutter when i try to write this in terminal: “get create page:register”

the error:

get : The term ‘get’ is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling
of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1

• get create page:register

•   + CategoryInfo          : ObjectNotFound: (get:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException
  
  
  

please help me

i have tried flutter pub global activate get_cli but it doesn’t work