Altera Quartus Ii 8.1 Web Edition -windows- Free Download May 2026

Altera Quartus II 8.1 Web Edition is a free, downloadable software suite designed for Windows operating systems. Developed by Altera Corporation, now part of Intel Corporation, this software is a comprehensive design environment for developing and debugging digital circuits and systems. The Quartus II Web Edition is a popular choice among students, educators, and hobbyists who want to design, simulate, and program FPGA (Field-Programmable Gate Array) and CPLD (Complex Programmable Logic Device) devices.