Hi Doug,
Sorry for the delay in getting back to you.
Syncfusion started providing 64 bit support from Essential Studio v7.4.0.20. All our latest Essential Studio setup versions are compatible with both 32-bit and 64-bit windows.We have compiled our assemblies in any CPU mode and it supports both 64 bit and 32 bit machines.
Please let us know, if you have any queries.
Regards,
Sivaguru S