Altera — Quartus Ii 8.1 Web Edition -windows- Free Download |best|

For non-commercial hobbyist work, is often a better choice because it introduces QSys (SOPC Builder’s successor) while retaining Cyclone II support. However, version 8.1 is lighter and faster.

Quartus II 8.1 uses an old Java runtime. Set environment variable: JAVA_HOME = C:\altera\81\quartus\bin\jre . Also, ensure no newer Java version is in your PATH. Altera Quartus II 8.1 Web Edition -Windows- free download

: Intel occasionally maintains older versions in its download archives. You may need to create a free account to access them. For non-commercial hobbyist work, is often a better

Get the core quartus.exe or installer package. You may need to create a free account to access them

: Some universities provide direct links to the installer, such as those hosted on Google Drive for specific course use. System Requirements & Compatibility

Quartus II Installation & Licensing for Windows and Linux Workstations

You are starting a new design, have modern Cyclone IV/V/10 or MAX 10 chips, or want security and support. Use Intel Quartus Prime Lite instead.