To turn on “App Download Links.”
Scroll through the list and find the one labeled “App Download Links.”

Toggle the App Download Links ON.
Use the switch next to it to turn it ON (activated).

WOWAPPS View:

Part A: App download links button is clickable:

Save your changes. Click Save to apply the update.

Website View:

Part B: App download links button is not clickable:

Click "App"

Toggle the App enable:

Use the switch next to it to turn it ON (activated).

Toggle the App Download Links ON.

Use the switch next to it to turn it ON (activated).

Website View: