You can watch the movie Conclave streaming on Amazon Prime Video, where it is available for free with a Prime membership in the US and UK

. It is also available to rent or buy digitally on platforms such as Apple TV, Fandango At Home, Microsoft Store, Sky Store, and others

. Rental prices are around $5.99 or £4.99, and purchase prices are around $19.99 or £9.99 depending on the platform and region

. In Australia, Conclave can be rented or bought on Apple TV, Amazon Video, Fetch TV, and Microsoft Store, but it is not currently available for free streaming there

. In summary:

• Streaming included with subscription: Amazon Prime Video (US, UK)
• Rent or buy digitally: Apple TV, Amazon Video, Microsoft Store, Sky Store, Fandango At Home, Fetch TV
• Theatrical release: Still showing in select theaters in some regions as of May 2025

This is the most accessible way to watch Conclave right now.