Hello,
First of all thanks for choosing our Theme, we are glad to be you in the WoodMart WordPress family :).
In order to get the option for the automatic update, you need to activate your theme. Navigate to Dashboard -> WoodMart -> Theme License, insert the purchase code, and check the agreement for the storing of the purchase code and user data by xtemos.com
How to find your purchase code:
1. Log into your Envato Market account.
2. Hover the mouse over your username at the top of the screen.
3. Click “Downloads” from the drop-down menu.
4. Click ‘License certificate & purchase code’ (available as PDF or text file).
Please see the screenshot: https://ibb.co/vD91kQV
For more details read here:
https://xtemos.com/docs-topic/installation-process/
Best Regards