pwsh -WindowStyle Normal
The argument '-WindowStyle' is not recognized as the name of a script file. 
Check the spelling of the name, or if a path was included, verify that the 
path is correct and try again.

pwsh -help

Usage: pwsh[.exe] [[-File] <filePath> [args]]
                  [-Command { - | <script-block> [-args <arg-array>]
                                | <string> [<CommandParameters>] } ]
                  [-ConfigurationName <string>] [-EncodedCommand <Base64EncodedCommand>]
                  [-ExecutionPolicy <ExecutionPolicy>] [-InputFormat {Text | XML}]
                  [-Interactive] [-NoExit] [-NoLogo] [-NonInteractive] [-NoProfile]
                  [-OutputFormat {Text | XML}] [-Version] [-WindowStyle <style>]

...

-WindowStyle | -w
    Sets the window style to Normal, Minimized, Maximized or Hidden.