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Get the complete suite of Intel® design tools

Beginning with Quartus® II software v13.1, you can obtain the Quartus II software installation files, service packs, and other related device support files from the version-specific, individual software download pages.
To access the individual software download pages, select your preferred version of the Quartus II software from the Software Selector on the Download Center page.

Quartus II Web Edition Quartus II Subscription Edition Nios II EDS ModelSim-Altera ModelSim-Altera Starter Edition DSP Builder
  • DSP Builder v12.1 Service Pack 1
    Includes DSP Builder v12.1
  • DSP Builder v12.0 Service Pack 2
    Requires DSP Builder v12.0
  • DSP Builder v12.0 Service Pack 1
    Requires DSP Builder v12.0
  • DSP Builder v11.1 Service Pack 2
    Requires DSP Builder v11.1
  • DSP Builder v11.1 Service Pack 1
    Requires DSP Builder v11.1
  • DSP Builder v11.0 Service Pack 1
    Includes DSP Builder v11.0
  • DSP Builder v10.1 Service Pack 1
    Requires DSP Builder v10.1
  • DSP Builder v10.0 Service Pack 1
    Requires DSP Builder v10.0
  • DSP Builder v9.1 Service Pack 2
    Includes DSP Builder v9.1
  • DSP Builder v9.1 Service Pack 1
    Includes DSP Builder v9.1