This version corresponds to — a patch release. It is 32-bit software but runs fine on Windows 10 64-bit (using WOW64 compatibility).
Official downloads are restricted to licensed Oracle customers. You can obtain the software through the following official channels: Oracle Software Delivery Cloud oracle workflow builder 26 35 hot download for windows 10 64
However, finding a "hot download" for Windows 10 64-bit can be tricky due to compatibility hurdles. Here is everything you need to know about downloading, installing, and running Oracle Workflow Builder on a modern OS. What is Oracle Workflow Builder 26.3.5? This version corresponds to — a patch release