Forms Developer 10g and Reports Developer 10g are now certified on Windows 10 desktops for E-Business Suite 12.1 and 12.2. See:
Windows Compatibility Mode
The Forms Developer 10g and Reports Developer 10g applications are part of Oracle Developer Suite 10g. These two tools are 32-bit applications that can be installed on 32-bit and 64-bit Windows 10 versions. They must be installed with "Windows compatibility mode" set to "Windows XP (Service Pack 2)" or "Windows XP (Service Pack 3)".
EBS Server-side updates for Forms & Reports
For the latest Forms and Reports server-side updates for your E-Business Suite 12.1 environments, see:
E-Business Suite 12.2 already contains the latest Forms and Reports server-side updates. No additional server-side patches are required.