There[SQ]s no legitimate "KKBOX-Free Download" that provides the full KKBOX music streaming service for free. KKBOX is a subscription-based service. Any website or app claiming to offer a free download of KKBOX is likely fraudulent and could contain malware or viruses. It may also violate KKBOX[SQ]s terms of service.

To listen to music on KKBOX, you need to subscribe to one of their paid plans. Free trials may be offered occasionally, but those are time-limited.