Altera Quartus Ii 13.0 Free 'link': Download

While not officially supported, Quartus II 13.0 can run on Windows 10 and 11 if you set the installer to "Windows 7 Compatibility Mode." USB Blaster drivers may require manual installation.

Download the Combined File. For Windows, download the .exe file named similar to: QuartusSetupWeb-13.0.0.156.exe (approximately 2.6 GB). altera quartus ii 13.0 free download