NEED UR HELP TO with this, what could be wrong?

[pithon123]

Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.

N_m3u8DL-RE : The term 'N_m3u8DL-RE' 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
+ N_m3u8DL-RE "https://a2fa1d10f52f404f8a0d045b8f7765d6.mediatailor.us- ...
+ ~~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (N_m3u8DL-RE:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException

PS C:\Users\User\Downloads> f^F

[LZAA]

Use 'cmd'.

[ddll2]

[Attachment 88761 - Click to enlarge]
no problem

[pithon123]

Use 'cmd'.

it says
'N_m3u8DL-RE' is not recognized as an internal or external command,
operable program or batch file.

C:\Windows\System32>f

[pithon123]

[Attachment 88761 - Click to enlarge]
no problem

i guess am doing something wrong i downloaded new version of powershel i think something is not installed correctly, what shoul i do, i fallowed a video on youtube, thank you anyway