Further installation details can be found in the document, Data Lookup Enhancements for Complex Policy Evaluation.pdf along with the hotfix.
The following files are updated when applying hotfixes:
client\fheur.dll - 15.0.4012.9 - 4-Aug-2017
client\fkeyword.dll - 15.0.4012.9 - 4-Aug-2017
client\wgnsm.dll - 15.0.4012.9 - 4-Aug-2017
client64\fheur.dll - 15.0.4012.9 - 4-Aug-2017
client64\fkeyword.dll - 15.0.4012.9 - 4-Aug-2017
client64\wgnsm.dll - 15.0.4012.9 - 4-Aug-2017