Altera | Quartus Ii 13.0 Free Download

You will be prompted to log in or create an Intel account. This is free – no credit card or payment required. Use a valid email address.

For a complete installation, you need three main components:

⚠️ Warning: Do not download from random file-sharing sites like "4shared" or "Rapidgator." They often host tampered executables. Always verify the digital signature of the installer. altera quartus ii 13.0 free download

If you have a paid license, set the environment variable LM_LICENSE_FILE to point to your server or file.

✅ Confirmation: The Web Edition supports all Cyclone II, III, IV, and most low-density Arria II devices – more than enough for typical student and hobbyist projects.

While this version is excellent for legacy devices, consider these alternatives if you use newer FPGAs: You will be prompted to log in or create an Intel account

| Software | Best For | Free? | |----------|----------|-------| | Quartus Prime Lite 18.1+ | Cyclone V, Cyclone 10 LP, MAX 10 | Yes | | Quartus Prime Standard Edition | Arria V, Cyclone V, Stratix V | Paid | | Quartus Prime Pro Edition | Stratix 10, Agilex | Paid | | Vivado HLx (Xilinx) | Xilinx FPGAs (non-Altera) | Free WebPack |

If you are still using Cyclone II, Quartus II 13.0 remains your only official option.

Quartus II 13.0sp1 was the last version to support some of the most popular low-cost FPGA families (like Cyclone III and IV). Here is how to find, download, and install it. ⚠️ Warning: Do not download from random file-sharing

If you are struggling with the free download process or running into compatibility issues, consider these alternatives:

| Alternative | Best For | Free? | Device Support | |-------------|----------|-------|----------------| | Quartus Prime Lite 18.1 | Newer Cyclone IV, V, 10 | Yes | No Cyclone II/MAX II | | Open source icestorm | Lattice iCE40 FPGAs | Yes | Not Altera | | Quartus II 13.0 (official) | Cyclone II, MAX II | Yes | Full legacy support | | Intel Quartus Prime Pro | High-end Arria/Stratix | No (paid) | Modern devices |

Conclusion: For Cyclone II/MAX II, there is no true alternative. Quartus II 13.0 remains the only official free tool.

This version is perfect for:

It does NOT support: Cyclone V, Cyclone 10, Arria V, or Stratix V. You need Quartus Prime for those.