Altera Quartus II 13.0, specifically the Service Pack 1 (SP1), remains a popular version for developers working with legacy FPGA hardware like the Cyclone II family, which is not supported in newer Quartus Prime versions. While Intel (which acquired Altera) has discontinued many older versions, 13.0 SP1 is still accessible for specific development needs. Download Options There are two primary ways to obtain the software for free:

Quartus II Web Edition (Free): This version does not require a paid license and supports a wide range of entry-level and legacy FPGAs, including the Cyclone II, III, and IV families.

Official Intel/Altera Download Center: You can typically find 13.0 SP1 by navigating to the Intel FPGA Software Download Center and selecting the "Legacy" or "Archives" section.

External Archives: If the official site is unavailable due to discontinuation notices, some users rely on the Internet Archive for verified copies of the installer. System Requirements

Before downloading, ensure your system meets these specifications:

What to Download

For a complete installation, you need three main components:

  1. Quartus II Software (Web Edition) – Base installer
    File name example: QuartusSetup-13.0.0.156.exe (Windows) or .run (Linux)

  2. Device Support Files – Select the specific device family you plan to use:

    • Cyclone II, III, IV device support
    • Max II, Max V device support
    • Arria II device support (if needed)

  3. ModelSim-Altera Starter Edition (optional) – For simulation. Version 10.1d is recommended for compatibility with Quartus 13.0.

⚠️ Warning: Do not download from random file-sharing sites like "4shared" or "Rapidgator." They often host tampered executables. Always verify the digital signature of the installer.

Step 3: Install Device Support Files

After the base installer finishes, run each device support .qdz file you downloaded. The Quartus II Device Installer will open automatically. Guide it to the same base directory (C:\altera\13.0).

Altera Quartus II 13.0 Free Download: The Complete Guide for FPGA Designers

Step 6: Download and Save

Once logged in, the download will start. Save the installer to a location you can easily find (e.g., C:\Downloads\Altera\).

Warning: Avoid third-party websites like "softonic.com" or "filehippo.com" that claim to offer Quartus II 13.0 free download. They often bundle malware, outdated versions, or corrupted files. Always use Intel’s official archive.

Why Quartus II 13.0? Understanding Its Legacy Status

Quartus II 13.0 was released in 2013, but its relevance persists for three main reasons:

  1. Legacy Device Support – Later versions (13.1 and beyond) dropped support for older families like Cyclone II and MAX II. If you are using a DE2 board (Cyclone II EP2C35) or a similar educational board, Quartus II 13.0 is your best option.

  2. Stability – Over a decade of use in universities and industry has made 13.0 exceptionally stable. Many educators refuse to upgrade because newer versions introduce bloat and remove familiar features.

  3. No Subscription Fee for Lite Edition – Intel offers a free "Web Edition" (later renamed Lite Edition) for Quartus II 13.0, which is fully functional for smaller devices.

Note: Do not confuse Quartus II 13.0 with Quartus Prime (versions 15.1 and later). They are different codebases. Quartus Prime does not support the same legacy devices.

Conclusion: Is Quartus II 13.0 Still Worth Downloading?

Absolutely – for the right use case.

The Altera Quartus II 13.0 free download is not abandonware; it is a fully functional, professionally supported FPGA IDE that continues to serve thousands of engineers and students worldwide. Its stability, low resource usage, and support for classic but still capable FPGA families make it indispensable.

By downloading directly from Intel’s official archive and following the installation steps outlined in this guide, you can have a safe, legitimate, and fully functioning Quartus II 13.0 environment on your Windows or Linux machine within an hour.

Whether you are reviving a vintage Cyclone II board, teaching digital logic design, or building a retro computing project, Quartus II 13.0 remains a powerful, reliable, and free tool.

Resources & References:

Last updated: 2025. This guide is not affiliated with Intel Corporation. Altera and Quartus II are trademarks of Intel. Always adhere to Intel's software licensing terms.

Altera Quartus II 13.0 Free Download: Essential Guide for Legacy FPGA Support

The Altera Quartus II version 13.0, specifically the 13.0 Service Pack 1 (SP1), remains one of the most sought-after legacy design suites in the FPGA community. It is uniquely critical for developers and students because it is the last version to support several iconic legacy hardware families that are now excluded from modern Intel Quartus Prime releases. Why You Need Quartus II 13.0 SP1

The primary reason to download this specific version is hardware compatibility. Modern versions of Quartus Prime (Lite, Standard, or Pro) have dropped support for several "classic" chips still widely used in education and older industrial applications.

Cyclone II Support: This is the final version that allows you to program Cyclone II FPGAs, commonly found on popular development boards like the Terasic DE1 and DE2.

Legacy CPLDs: It is the last official release to support MAX 3000 and MAX 7000 CPLD families.

Reliable for Cyclone III: While newer versions briefly supported it, 13.0 SP1 is often preferred for Cyclone III designs due to faster compilation and more stable legacy IP. Key Features of the Web Edition (Free)

The Web Edition of Quartus II 13.0 is a free-to-use version that does not require a paid license for most standard FPGA development tasks.

Comprehensive Tools: Includes analysis and synthesis of HDL designs (Verilog/VHDL), timing analysis, and RTL diagram examination.

ModelSim-Altera Starter Edition: Frequently bundled with the free download, this allows for full design simulation without a separate license.

Qsys System Integration: Features the Qsys tool for connecting IP cores, including a reset controller that prevents memory corruption after asynchronous resets. Quartus II 13.0sp1 | Altera Community - 312724

Altera Quartus II 13.0 SP1 (Web Edition) is widely recognized as the last version to support legacy FPGA families like Cyclone II. Because it is a legacy release, it is often archived rather than featured on main product pages. Where to Download

Official Intel/Altera Download Center: The most reliable way to obtain the software is through the Altera Download Center. You must specifically select the Web Edition for free use, as the "Subscription Edition" requires a paid license.

Operating Systems: It is available for both Windows and Linux. Essential Files to Download

To have a functional environment, you generally need to download multiple components and place them in the same temporary directory before running the installer:

Quartus II Software: The core design environment (approx. 1.5 GB).

Device Support Files: You must download the specific database for your chip (e.g., Cyclone II, III, IV support).

ModelSim-Altera Starter Edition: The simulation tool. Ensure you choose the Starter Edition, which is free and does not require a license. Installation Steps

Preparation: Move the core installer (.exe or .run) and the device support files (.qdz) into the same folder.

Run Setup: Execute the main installer. It will automatically detect the device support files in the same directory.

USB-Blaster Driver: After installation, you may need to manually install the USB-Blaster driver via the Windows Device Manager to program your hardware.

License: Upon first launch, select "Run the Quartus II software in a free mode" (Web Edition) to avoid license prompts. Version Comparison Web Edition (Free) Subscription Edition (Paid) Cost Requires paid subscription Devices Supports Cyclone II/III/IV, Max II/V Full device support Simulator ModelSim-Altera Starter Edition ModelSim-Altera Edition

For further technical details, you can consult the official Quartus II 13.0 Handbook provided by Intel.

Quartus II Web Edition Design Software Version 13.0 ... - Altera

The hum of the server room was a low, steady drone that usually helped Elias focus, but today it felt like a countdown. He was a junior engineer at a firm that still relied on legacy hardware, and his task was simple but daunting: revive a decade-old FPGA project [1, 2].

The modern software suites were too bloated, too "smart" for the vintage chips he was holding. He didn't need the latest AI-driven compiler; he needed a workhorse. He needed Altera Quartus II version 13.0

He navigated to the Intel FPGA archives, the digital graveyard of engineering milestones. Finding the 13.0 release felt like discovering a classic vinyl in a digital age [1, 2]. It was the "Web Edition"—free, functional, and devoid of the complex licensing hurdles that usually haunted his mornings [1, 3].

As the download progress bar slowly crept forward, Elias cleaned the dust off the Cyclone IV

development board [2, 4]. When the installer finally finished, the familiar blue splash screen flickered to life. The interface was a nostalgia trip: no minimalist flat icons, just straightforward menus and the promise of "Analysis & Synthesis" [1, 2].

He loaded the old project files. The software didn't complain about deprecated libraries or missing updates. It just worked. By midnight, the LEDs on the board began to blink in the precise sequence the original designers had intended years ago.

If you are looking for the official "Lite" or "Web Edition" version of Quartus II 13.0, you can still find it through the Intel (formerly Altera) archives. This version is popular because it is the last one to support older FPGA families like Cyclone II. Download Instructions

Visit the Intel Download Center: Go to the Intel FPGA Software Download Center to access version 13.0sp1.

Select Edition: Choose the Web Edition. This is the free version that does not require a paid license subscription.

Check OS Compatibility: Ensure you select the correct Operating System (Windows or Linux). Note that 13.0 is an older release and may require "Compatibility Mode" to run on Windows 10 or 11.

Download Files: You will typically need the Quartus II Software (includes the GUI) and the specific Device Support files for the chip you are using (e.g., Cyclone II, III, or IV).

Installation: Run the installer and point it to the directory where you downloaded the device support (.qdz) files so they are installed simultaneously. Key Features of Version 13.0

No License Required: The Web Edition is free for many popular entry-level FPGAs.

Legacy Support: Specifically supports Cyclone II and Stratix II, which were dropped in later versions like 14.0 and above.

Bundled Tools: Often includes ModelSim-Altera Starter Edition, which is also free for simulation. System Requirements RAM: At least 4GB is recommended for smooth compiling.

Disk Space: Approximately 10GB total for a full installation of the software and common device libraries.

Altera Quartus II 13.0 (specifically version 13.0sp1) is often described as the "end of an era" in FPGA development. While modern versions have since moved to the Intel Quartus Prime branding, version 13.0 remains one of the most downloaded legacy versions for several critical reasons: 1. The Last Sanctuary for Legacy Hardware

Quartus II 13.0sp1 is famously the final version to support several iconic Altera device families. If you are working with these specific chips, newer versions of the software (13.1 and beyond) will not even recognize them:

Cyclone II: This family was a staple for low-cost development boards like the DE2 series used in countless university labs.

MAX 3000 & 7000: Older CPLD (Complex Programmable Logic Device) families that are still found in industrial maintenance and retro-computing projects. Stratix & Stratix GX: Early high-performance FPGAs. 2. High-Performance Benchmarks

At its release in 2013, version 13.0 was touted as a major performance leap, particularly for 28 nm FPGAs like the Stratix V.

Compile Times: It reduced compilation times by an average of 25%, with some high-end designs seeing reductions up to 50% compared to version 12.1.

OpenCL Introduction: It was a pivotal release for bringing SDK for OpenCL to software programmers, allowing them to target FPGAs without deep hardware description language (HDL) knowledge. 3. Modern Compatibility "Hacks"

Despite being over a decade old, the community keeps it alive on modern operating systems: Quartus II 13.0sp1 | Altera Community - 312724

The free Altera Quartus II Web Edition 13.0sp1 remains a critical legacy tool for FPGA developers, specifically because it is the final version to support popular older hardware like Cyclone II and MAX 3000/7000 devices. While newer versions (Quartus Prime) are available, they dropped support for these families. Official Download & Availability

You can still access official installers through the Altera/Intel FPGA Download Center.

Version Note: It is highly recommended to use v13.0sp1 (Service Pack 1) as it includes essential bug fixes over the initial 13.0 release.

Web Edition vs. Subscription: The Web Edition is free and does not require a paid license file for synthesis.

Archival Options: If the official links are unreachable, community-maintained mirrors exist on Internet Archive. Key Components to Download

For a functional development environment, you must download three separate parts into the same directory before running the installer:

Quartus II Software: The main IDE (approx. 1.5 GB for Windows).

Device Support Files: You must specifically download the .qdz files for your target family (e.g., Cyclone II/III/IV).

ModelSim-Altera Starter Edition: Required for simulation and verification (free version included in the setup). System Requirements & Compatibility vmunoz82/quartus13: EDA Tools: Altera Quartus 13 Dockerfile

Troubleshooting: "No License" Error

If Quartus opens and says "No valid license found" for the Web Edition:

  1. Did you download "Web Edition" or "Subscription Edition"? If you grabbed the wrong one, uninstall and download the Web Edition.
  2. Try running quartus_sh.exe instead of the desktop shortcut to force a license check.
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