Sure, here are the steps to subscribe to a podcast on Apple Podcasts:

1. Open the Apple Podcasts app on your device.
2. In the bottom right corner, tap on the "Search" icon.
3. Type the name of the podcast you want to subscribe to in the search bar at the top and hit "Search".
4. From the search results, tap on the podcast you're interested in.
5. On the podcast's page, tap the "Subscribe" button.

Once you've subscribed to a podcast, new episodes will automatically appear in your Library tab. You can access this by tapping "Library" at the bottom of the app.