Read the latest news on REX product support for Lockheed Martin's Prepar3D version 4: PREPAR3D V4 – REX PRODUCTS STATUS UPDATE: LAST UPDATE: 6/13/2017 Thank you everyone for your patience.  Though we still have some testing to do with some products we can now give a firm update on our progress for upgrading REX products for Prepar3D. The following is a list of products that will be receiving a hotfix to support Prepar3Dv4:  Estimated release June 2017 ·         REX Worldwide Airports HD ·         REX 4 Texture Direct ·         REX 4 Texture Direct w/Soft Clouds ·         REX Soft Clouds ·         WX Advantage Radar   The following products will require a major service pack update to support 64bit for Prepar3Dv4: Estimated release TBD ·         REX 4 Weather Architect ·         REX Essentials Plus ·         REX Essentials Plus Overdrive   To read more information click on this link:  REX Forum Post