Sorry to hear about the inconvenience. Kindly, please share your Site WP-ADMIN Login details in the Private Content field along with some Screenshots related to the issue so that we can check this concern on your Site and help you out accordingly.
I have activated the WoodMart Parent theme on your site. It is activated properly.
If you want to activate the theme with the purchase code.
Log into your Envato Market account.
Hover the mouse over your username at the top of the screen.
Click “Downloads” from the drop-down menu.
Click ‘License certificate & purchase code’ (available as PDF or text file).
Please enter your ThemeForest account and delete the domain you do not use, after that, you will be able to activate the license on another domain.
2. For the menu, you can delete it by editing the Header from Woodmart >> Header Builder >> Edit the Header which you are using for the site >> then delete the menu widget from the header: https://ibb.co/5jXMwQB
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