Question / Help OBS and HD

[madmex53]

I use OBS Studio and Streamlabs my question is when I record ore stream an game how can I do that in HD.
When I Upload my recording ore streaming to Youtube I see that the quality is 480 P and not HD

 

[Harold]

Fix your output resolution. Youtube rounds down.

 

[madmex53]

So what is the best output resolution ?