Quartus II Subscription Edition Download v6.0 & Service Pack 1
Select a previous version of Quartus II:
This version of Quartus II software will no longer be available after 6/26/2020. This version does not include the latest functional and security updates and will not be supported. All versions are provided as is. Intel recommends that users of this version uninstall and discontinue use as soon as possible. Users should upgrade to the latest available software version for their device and follow the technical recommendations to help improve security.
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The Quartus II Software Support page can help with questions or problems that are not answered by the information provided here or in Quartus II Help.
Find Answers in the Altera® support center uses natural language processing technology to search all available technical documentation to answer users' questions directly. Find Answers solves technical queries because users can ask their exact questions online. Users can also benefit from the Altera mySupport online issue tracking system.