Hi,
We will be glad to help you.
Please go to WooCommerce>Setting>Pricing and Discount
Go top.
Now go to tax options, enable it and select tax type as Show Price Excluding Tax in shop.
Drag and drop the administratop.
Here are the links to the screenshots
https://snag.gy/4vQZ3m.jpg
https://snag.gy/UKf5OP.jpg
If you are still facing the issue then please provide us the login credentials and URL to your website through email.
Regards,
Team Xadapter