The tutorial below shows you step by step with screenshots on how to do it. Be sure to use the correct full path of the ViVeTool.exe file wrapped in quotes. You're missing a quote at the front of the command.
https://www.elevenforum.com/t/use-vivetool-to-enable-or-disable-hidden-features-in-windows-11.20291/
Be sure you open an elevated Terminal window like below to run the command.
https://www.elevenforum.com/t/open-elevated-windows-terminal-as-administrator-in-windows-11.556/