Upscale 720p Vlog to 4K

I have a 45-minute vlog currently sitting at 720p HD, and I want it transformed into a true-looking 4K master. The goal is a noticeably crisper, sharper, and clearer image while keeping everything natural—no plastic skin or over-processed halos... (Budget: €8 - €30 EUR, Jobs: Adobe Premiere Pro, After Effects, Animation, DaVinci Resolve, Video Editing, Video Processing, Video Production, Video Services)