If you are trying to install or activate this version now, note that Adobe's Support Policy generally only provides installers for the . You can check your available versions in the Creative Cloud Apps manager.
If you are looking for the technical "piece" (patch or update) for , it is primarily a maintenance update released to address critical bugs and improve stability for the initial 2017 release. Release Overview
Windows 7 (SP1), 8.1, or 10 (64-bit); or macOS 10.10 or later.
To run this specific version effectively, your system should meet these hardware standards: Multicore processor with 64-bit support.
Improved reliability when importing certain types of high-resolution footage.