سلام وقت بخیر من می‌خوام شروع بع کار کنم اما این پیام‌ها می‌یاد

Windows PowerShell

Copyright (C) Microsoft Corporation. All rights reserved.

Try the new cross-platform PowerShell https://aka.ms/pscore6

PS C:\\Users\\Roshd>

$ node -v

$ : The term '$' 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:166

+ ...                               $ node -v

+                                 ~

  + CategoryInfo     : ObjectNotFound: ($:String) [], CommandNotFoundException

  + FullyQualifiedErrorId : CommandNotFoundException