Altirra 64-bit | Download, System Requirements & Installation Guide

Altirra 64-bit is an emulator designed to run Atari 8-bit computer software on modern computers. It is a powerful and accurate emulator that has been in development for many years. In this article, we will explore the history of Altirra 64-bit, its different versions, how to use it, system requirements, how to download and install it, how to run ROMs, how to configure it, assign plugins, and input devices, how to use cheat codes, popular games, and how to troubleshoot common issues.

1. What is Altirra 64-bit?

Altirra 64-bit is an emulator that allows users to run Atari 8-bit computer software on modern computers. It is a highly accurate emulator that can run most Atari 8-bit software without any issues. It is designed to be easy to use and provides a wide range of features that make it a popular choice among gamers and retro computing enthusiasts.

2. History of Altirra 64-bit

Altirra 64-bit was first released in 2009 by developer Avery Lee. Since then, it has undergone many updates and improvements, with the latest version being released in 2021. The emulator is constantly being updated to improve its accuracy and performance, and to add new features.

3. Versions of Altirra 64-bit

Below are the versions of Altirra 64-bit:

  • Altirra 1.0 (2009)
  • Altirra 2.0 (2010)
  • Altirra 2.1 (2011)
  • Altirra 2.2 (2012)
  • Altirra 2.3 (2013)
  • Altirra 2.4 (2014)
  • Altirra 2.5 (2015)
  • Altirra 2.6 (2016)
  • Altirra 2.7 (2017)
  • Altirra 3.0 (2018)
  • Altirra 3.1 (2019)
  • Altirra 3.2 (2020)
  • Altirra 3.3 (2021)

4. How to use Altirra 64-bit

Using Altirra 64-bit is relatively straightforward. Once you have downloaded and installed the emulator, you can load Atari 8-bit software by selecting the appropriate ROM file. You can then use the emulator’s built-in controls to interact with the software, or you can configure input devices such as joysticks or gamepads to use with the emulator.

5. System requirements

The system requirements for Altirra 64-bit are relatively modest. The emulator can run on most modern computers, including those running Windows 7 or later. It requires a 64-bit processor and at least 2GB of RAM.

6. Altirra 64-bit download

To download Altirra 64-bit, you can visit the official website at From there, you can download the latest version of the emulator for free.

7. How to install Altirra 64-bit

Installing Altirra 64-bit is a simple process. Once you have downloaded the installer, simply run it and follow the on-screen instructions. The installer will guide you through the process of installing the emulator on your computer.

8. How to uninstall Altirra 64-bit

To uninstall Altirra 64-bit, simply go to the Control Panel on your computer and select “Uninstall a program.” From there, you can select Altirra 64-bit and choose to uninstall it.

9. ROMs

Altirra 64-bit supports a wide range of ROMs, including cartridge ROMs, disk images, and cassette tapes. It also supports custom ROMs, which can be loaded into the emulator for use with specific software.

10. How to run a ROM on Altirra 64-bit

To run a ROM on Altirra 64-bit, simply select the appropriate ROM file from within the emulator. You can then use the emulator’s built-in controls to interact with the software.

11. How to configure Altirra 64-bit

To configure Altirra 64-bit, you can use the emulator’s built-in settings menu. From there, you can adjust a wide range of settings, including display options, input devices, and audio settings.

12. How to assign plugins to Altirra 64-bit

To assign plugins to Altirra 64-bit, simply download the appropriate plugin and place it in the emulator’s plugins folder. You can then select the plugin from within the emulator’s settings menu.

13. List with plugins

Below are plugins you can use for Altirra 64-bit:

  • Atari800
  • Atari800Win Plus
  • Atari800Win PLus 4.0
  • Atari800Win PLus 4.1
  • Atari800Win PLus 4.2
  • Atari800Win PLus 4.3
  • Atari800Win PLus 4.4
  • Atari800Win PLus 4.5
  • Atari800Win PLus 4.6
  • Atari800Win PLus 4.7

14. Input devices

To configure input devices in Altirra 64-bit, simply go to the emulator’s settings menu and select “Input.” From there, you can configure a wide range of input devices, including joysticks, gamepads, and keyboards.

15. How to use cheat codes

To use cheat codes in Altirra 64-bit, you can use the emulator’s built-in cheat code system. Simply enter the appropriate code into the emulator’s cheat code menu, and the cheat will be activated.

16. List with cheat codes

Below are some cheat codes for Altirra 64-bit:

  • POKE 53280,0 – Disable borders
  • POKE 53281,0 – Disable borders
  • POKE 53280,1 – Enable borders
  • POKE 53281,1 – Enable borders
  • POKE 53280,2 – Invert borders
  • POKE 53281,2 – Invert borders
  • POKE 53280,3 – Flash borders
  • POKE 53281,3 – Flash borders

17. Popular games

Some of the most popular games that can be played using Altirra 64-bit include:

  • Donkey Kong
  • Pac-Man
  • Ms. Pac-Man
  • Space Invaders
  • Galaxian
  • Defender
  • Robotron: 2084
  • Montezuma’s Revenge
  • Choplifter
  • Star Raiders

18. How to save in Altirra 64-bit

To save settings in Altirra 64-bit, simply go to the emulator’s settings menu and select “Save Settings.” From there, you can choose to save your settings to a file or to the emulator’s internal memory.

19. Troubleshoot

If you encounter any issues while using Altirra 64-bit, you can consult the emulator’s documentation or visit the official support forum for assistance. Common issues include compatibility problems with certain software, audio or video glitches, and input device configuration issues.

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