I just bought my new roku express 4k I already have hulu plus live tv. But when I login on roku live tv is not there. It's there on my tablet.
If you have it on your tablet, that means you subscribed to Hulu+Live TV directly from Hulu, right?
When you first launched Hulu on your Roku device, did you enter the same credentials you used when you set up your Hulu account? Or did you hit a "Subscribe" button?
DBDukes
Roku Community Streaming Expert
Note: I am not a Roku employee.
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You have to download the Hulu channel to your Roku. I think your misunderstanding. Roku does offer a free live tv channel which says "Roku Live TV". But you need to add the Hulu channel to your Roku and login. Same with other services such as Netflix, Prime or HBO Max.
https://channelstore.roku.com/details/f76641b3d5ac45cfde74ee8361bda4bc/hulu