Greetings littlefajta911,
It sounds as though you rented a movie on your Mac and wanting to watch the rental. If so, you can find the rental on your Mac using the steps listed below. These steps are specific to finding rentals in macOS and can be found in the follow article. The article also lists steps for locating rentals on other devices as well.
- "Open the Apple TV app.
- Go to the Library tab.
- In the sidebar, click Rentals. If you can't find Rentals, either your rental expired or wasn't rented with the Apple ID that you used to sign in.
- Hold the pointer over your movie rental, then you can:
- Stream your rental: Click the Play button .
- Download your rental: Click the Download button ."
Rent movies from the Apple TV app
If you unable to locate the rental using those steps or need additional help, there's additional resources listed in the "Still need help?" section of that article.
Have a wonderful day!