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@zzy Thanks for the help! When I go to the project folder, delete "Intermediate" and "Saved" folders, and then right click and select "Generate Visual Studio project files", I get the error "This project does not have any source code. You need to add C++ source files to the project from the Editor before you can generate project files". Since I can't open the project, I can't add C++ files. When I create a new project, add C++ blueprint, enable plugin, and then follow your instructions, I get the same error after generating the project files and after rebuilding the code in Visual Studio. When I do the same thing with a new C++ project. Enable plugin, restart UE, see the compile error, follow your instructions, I get the same error after generating the project files and after rebuilding the code in Visual Studio. Doesn't seem to want to build.

Hand Tracking Version: 0.8.2 Unreal Engine 4 Version: 4.23 Windows 10 Extracted the hand tracking zip, moved to the Unreal Engine/Source/ThirdParty folder. First, get "Missing VRHands Modules" with the message "The following modules are missing or build with a different engine version: ViveHandTracking - Would you like to rebuild them now?" Select "Yes". Starts build. Error: VRHands could not be compiled. Try rebuilding from source manually. My only option is "OK". Is there a way to get rebuild from source manually? How can I get this to work with Unreal? Thanks!

This is a needed for sure. Thanks for all the hard work devs!