Quartus Ii 13.0 [portable] Free Download - Altera

How to Download and Install Altera Quartus II 13.0 (Free Version)

If you are working with older Altera (now Intel) FPGA families like the Cyclone II, Cyclone III, or MAX II, you have likely discovered that the newest versions of Quartus Prime no longer support these chips. The last version to fully support them is Quartus II 13.0 SP1.

• Open Quartus II → Tools → License Setup.
• In "License file", browse to your license.dat.
• Click OK. The license status should show "Valid".

Remember: the free Web Edition is perpetually free – no trial expiry, no feature limitations for supported devices. Intel continues to host this software out of respect for the massive installed base of Cyclone II and MAX II designs. altera quartus ii 13.0 free download

Preparation: Move the core installer (.exe or .run) and the device support files (.qdz) into the same folder. How to Download and Install Altera Quartus II 13

6. Legal & Security Notes

• ✅ Legal: Downloading from Intel’s official legacy archive is fully legal and free for Web Edition.
• ❌ Avoid: Torrents, random file-sharing sites (“Quartus II 13.0 cracked full”) – they often contain malware or invalid licenses.
• 🔒 No crack needed – Web Edition does not expire.