Step 2: Select Footer in the Type of Template section. Choose Entire website in the Display on section. And then, Click Update to save the changes.
Besides, If you want to apply this footer for particularly page (for example: Shop page). In the Display on section, you select Specific Pages / Posts / Taxanomies, etc. and type ‘Shop’ into the box below. Then, you select Shop as the following image. Finally, click Update to save the changes.