Many older versions, including 2015.4, were removed from Adobe servers because of a licensing dispute involving the AC3 (Dolby Digital) decoder and encoder .
What happens when you uninstall older versions of Premiere pro CC? Adobe Premiere Pro CC 2015.4 Free Download
This version, released in mid-2016, was highly regarded for introducing a streamlined , making 4K and 8K editing accessible on less powerful hardware. Many older versions, including 2015
Adobe community managers state that downloading "old 2015" versions from third-party sites is not considered legal and is not condoned by the company. Many older versions