FTK 5.2.2 has been released as a compatibility version for Summation 5.2.2 only. Please visit here for the most recent version if you are looking for the mainstream FTK releases.
Summation 5.2.2 - Please note the patch will require 5.2.1 to be installed or an older 5.2.2 patch in order to run. If you’re installing fresh with no previous release, please use the full installer below.