That said, there are to enjoy or obtain 4K music videos without paying, depending on the platform and licensing.
Services like and Amazon Music Unlimited now offer "Music Videos" in 4K that stream instantly. You can download them within the app for offline viewing, which is legally the same as owning them for the duration of your subscription.
When users search for free downloads, they often wade into legally gray areas. Most modern music videos are the intellectual property of record labels like Sony Music, Universal Music Group, and Warner Records. Unauthorized downloading and distribution of these videos is a violation of copyright law in many jurisdictions.
While "free" is challenging for mainstream hits, these platforms allow you to acquire 4K content at no cost (often with limitations).