If your purchase/rental has an associated app to download, here's how you can access your purchased videos on them:
For iOS and Android
Open your app.
If you haven’t yet, log in.
Navigate to Library on the bottom of the page.
Your purchases should be under the Purchases tab.
For Apple TV
Open your app.
If you haven’t yet, log in.
Scroll down to Library.
Your purchases should be under your My List row.
Search the Help Center to find answers or, if you're still having trouble, contact us.