I have updated all HAELE apps to Unreal Engine 5.4. I should bring faster start up and better quality as well as performance. Give them a try and let me know if you face any issues.
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https://store.steampowered.com/app/2570230/HAELE_3D__Hand_Poser_Lite/
https://store.steampowered.com/app/2327780/HAELE_3D__Feet_Poser_Pro/
https://store.steampowered.com/app/2540240/HAELE_3D__Hand_Poser_Pro/
https://store.steampowered.com/app/2378840/HAELE_3D__Feet_Poser_Lite
https://store.steampowered.com/app/2769110/Line_of_Fire__Pirate_Waltz/"