Older versions are often perceived as "lighter" on RAM compared to the feature-heavy versions of today.
Since CC 2015 is now a very outdated version (over a decade old), a more "useful" and modern blog post would focus on why users are still searching for it and what the are today. adobe-media-encoder-cc-2015-free-download-get-into-pc
Some legacy plugins only work with older versions of the Adobe ecosystem. The Risks of "Free Download" Sites Older versions are often perceived as "lighter" on
Why Are People Still Searching for Adobe Media Encoder CC 2015? (And Better Alternatives) adobe-media-encoder-cc-2015-free-download-get-into-pc