ModelSim-Altera 6.1g Software

This version of ModelSim-Altera Edition for 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.

Use with Quartus II software version 7.0 only. Includes library updates for Cyclone® III device support.

Available Mentor Graphics® ModelSim®-Altera® software:

  • ModelSim-Altera Edition—Quartus® II Subscription (paid)
  • ModelSim-Altera Web Edition—Quartus II Web Edition (free) New

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ModelSim-Altera 6.1g Software (Includes pre-compiled libraries for the Quartus II software version 7.0) Download File Size
Windows (ModelSim-Altera Edition)
Windows XP and Windows 2000
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Requires a License
103 MB
UNIX and Linux (ModelSim-Altera Edition only)
Supports Solaris 8 and 9, Red Hat Enterprise Linux 3 and 4
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Requires a License
150 MB

System Requirements

Requirement Type
Operating System Windows XP, Windows 2000
Solaris 8, 9
Red Hat Enterprise Linux 3
Red Hat Enterprise Linux 4

Download Notes:

  1. Installation Instructions - View Installation Instructions for all operating systems.
  2. Support - 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.If you have a question or problem that is not answered by the information provided here, contact Altera Applications through the mySupport website.
  3. Legal Notice - Altera's Software Subscription License Agreement governs the installation and use of this software.