Altera (Web Edition) is widely recognized as the last version to support legacy FPGA families like Cyclone II . Because it is a legacy release, it is often archived rather than featured on main product pages. Where to Download
Intel maintains a self-service portal for older software versions. Follow these steps: altera quartus ii 13.0 free download
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. Altera (Web Edition) is widely recognized as the