Reviewing this software in hindsight requires addressing the Creative Cloud subscription. By 2019, the "perpetual license" (buying the software once) was dead.
: Classic relies on desktop processors and multi-monitor setups; Creative Cloud is optimized for mobile, tablet, and web interfaces. adobe lightroom classic cc 2019
: Classic includes advanced printing modules, book layouts, and complex virtual copy generation that Creative Cloud lacks. Reviewing this software in hindsight requires addressing the