The search results indicate that "Photoshop 16 LS20 (64-Bit)" refers to the original Adobe Photoshop CC 2015 (version 16.0) installer package. The "LS20" designation is a standard Adobe language-set code for a multi-language installer.
The "64bit" suffix in your keyword is non-negotiable. Here is the practical difference between running Photoshop 16 32-bit vs. 64-bit on a modern project: photoshop 16 ls20 64bit
The hidden costs, however, are severe:
Artboards: Introduced the ability to design multiple layouts of different sizes within a single document. The search results indicate that "Photoshop 16 LS20
Here is an analytical essay based on deconstructing that search query. Tilt-Shift) with two major additions:
This version enhanced the Blur Gallery (Field Blur, Iris Blur, Tilt-Shift) with two major additions: