1. Proceed to the settings by clicking here.

2. Next, locate and select the 'Custom Fields' option.

3. Use the search tooI if you need to find specific custom fields.

4. Check the box to select your required custom fields.

5. Click 'Bulk Actions' for more operations on your selected fields.

6. Feel free to edit your selected custom fields.

7. You may delete unnecessary custom fields by clicking here.

8. Move your selected fields into a group, just click here.

9. Click here to copy custom fields unique key.
