Step 2: From the admin sidebar, click on ACF -> Field Groups -> Add a new field group
Step 3: Add an image field type to this group. The setting must exactly like the below:
The Field Name must be featured_image (it's very important)
The Return Format must set to Image Array
Step 4: Settings box
Under the Rules setting box, you can set to any taxonomy you want to use with the Wiloke Filter Cards. In this example, I will add this group to Category.
Uploading Featured Image to Category
Step 1: Go to Posts -> Categories
Step 2: Edit / Add New a category
Step 3: You will see the created field in this area -> Upload a Featured Image to this category
Adding Categories to Home Page
Go to Pages -> Your Home page
Edit with Elementor
Click Add New element icon to create a new section and then search for Wiloke Filter Cards widget
Drag Wiloke Filter Cards (Categories) to the section
Complete all settings and click Update / Publish button