To delete a WordPress theme, follow these steps:
1. Log into your WordPress website as an administrator.
1. In the WordPress dashboard, go to Appearance > Themes.
1. Find the theme you want to delete and click on it.
1. Click on the “Theme Details” button in the bottom right corner.
1. In the pop-up window, click on the “Delete” button at the bottom.
1. Confirm that you want to delete the theme by clicking “Yes.”
1. The theme will be permanently deleted from your WordPress website.
Note: Make sure you have a backup of your website before deleting any themes or plugins in case of any issues or errors.