Using unofficial "RePacks" or third-party downloaders exists in a legal gray area and may violate YouTube's Terms of Service , which prohibit unauthorized downloading. For a fully supported and safe experience, YouTube Premium is the official method for offline viewing.
Below I will review (v2.2.95 era features), but separate that from the "Portable RePack" distribution method, which I strongly advise against using for security and legal reasons. YouTube By Click Premium 2.2.95 Portable RePack
Often, the Dodakaedr RePack removes the need to activate the software, providing immediate access to premium features. providing immediate access to premium features.