If you need Adobe products i would recomend staying on windows. Unfortunetly geting anything Abobe to work is extremly hard, so unless you want to spend hours getting photoshop just for it to break on the next update then its probably not a good idea to switch. The other stuff you listed shoud work fine.

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Well Photoshop is a pain in the ass no matter what platform your on. Everything else should be fine.

• Photoshop: Find an alternative. I see Photopea and Krita brought up quite often.
• Streaming services: Netflix is capped at 1080p, others 720p. Local files should play fine. There is no HDR support.