Welcome the ILEXSOFT Help & Documentation Center. Browse product documentation, watch tutorials and learn more about using HighDesign. SECTIONS USER GUIDES HighDesign R6 HighDesign R5 HighDesign 2017 HighDesign 2016 HighDesign 2015 TECHNICAL ARTICLES HighDesign R6 Release Notes HighDesign R5.3 Release Notes HighDesign R5.2 Release Notes HighDesign R5 Release Notes Object Hierarchy in HighDesign Differences between Mac and Windows versions Changes from HighDesign 2017 HighDesign and macOS Catalina (10.15) Tutorials Essential Skills: 1/7 Snaps Essential Skills: 2/7 Coordinates & Constraints