The V7.1 update acts as a bridge to keep the 2017 engine relevant for modern play:
: Updates physics and AI behaviors to mimic more recent football titles. Download File PES 2017 PROFESSIONALS PATCH V7.1...
: Designed to work on top of the base Professionals Patch V7 AIO (which is ~23.4 GB). The V7
: Includes the latest mid-season moves for major European and global leagues. Download File PES 2017 PROFESSIONALS PATCH V7.1...