Hi @taimen,
Welcome to the Roku Community!
We understand that you are unable to access the Paramount + on your Roku. Where are you currently located?
Please be advised that Paramount+ is currently available to download in the US, Canada, the UK, Australia, France, Germany, and some selected Latin America regions on any latest Roku devices.
If you are located in the provided region above, we recommend taking a look at our Support page for more information regarding How to add apps to your Roku streaming device | Official Roku Support
Please keep us posted and we'll continue assisting you from there.
Best regards,
Mary
Mary F.
Roku Community Moderator