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Users should upgrade to the latest version of the Quartus II Design Software. The selected version does not include the latest functional and security updates. If you must use this version of software, follow the technical recommendations to help improve security. For critical support requests, please contact our support team.
The Quartus II Web Edition Design Software, Version 13.1 is subject to removal from the web when support for all devices in this release are available in a newer version, or all devices supported by this version are obsolete. If you would like to receive customer notifications by e-mail, please subscribe to our subscribe to our customer notification mailing list.
This archived version does not include the latest functional and security updates. For a supported version of Quartus, upgrade to the latest version. If your device family is not compatible with the latest version, contact your field rep or the support team about migrating to the latest device family. See here for device family compatibility. If you must use this version of software, follow the technical recommendations to help improve security.
You may be exposed to a vulnerability issue if you have installed or plan to install Quartus II Design Software from version 11.0 to version 18.0 to a location with space(s) in the path. See this KDB solution for more details.
To find software versions that support specific device families:
• Refer to the Device Support List
• Use the Software Selector