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How To Download & Install

To download ATLauncher simply select the download below for your operating system.

For Windows users, the setup is the recommended way to install ATLauncher as it will make sure that you have the correct Java versions installed to make the process of playing Minecraft easy without any hassles. But if you are an advanced user, you can deselect that option and use the Java already on your system. For a step by step guide on how to install ATLauncher on windows see this page.

If using the Windows Portable or Jar download, be sure to place it in its own folder somewhere on your computer. ATLauncher will run out of that folder, so make sure you're not running it from your Downloads folder.

To get started you'll need to do two things. First you'll need to add your account, then you can create an instance to start playing Minecraft within minutes.

If you have any issues then please feel free to join our Discord and ask for help in the support channels.

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Changelog

New Features


  • Add setting to not use HTTP/2

New Features


  • Add ability to export instances in different formats [#455]
  • Save config folder when backing up an instance [#463]
  • Add configurable backup modes [#463]
  • Add config to enable manually added mods by default
  • Add settings tab for Mods specific things

Fixes


  • Some modpacks.ch packs not installing correctly
  • Checking mods on CurseForge sometimes failing
  • Loading settings sometimes returning a NPE
  • Forge maven changing url
  • Don't start up the launcher when running on Java 16 or newer [#465]
  • Importing CurseForge instances without a version failing [#467]
  • Checking for mod updates showing when it shouldn't [#466]

Misc


  • Remove integration files from being written [#462]

New Features


  • Add in Download Clearer tool to remove up old downloads
  • Add in text field with login url on Microsoft login dialog [#453]
  • When using a choosable loader, show the name of the loader

Fixes


  • The check for isRuntime in JavaInfo throwing NPE
  • Fix using native dialog not applying to instance import [#446]
  • Allow resizing (and fix sizes of) some dialogs [#452]
  • Fix cancelling login with Microsoft reloading the account selector
  • Fix exporting Fabric instances not working
  • Fix adding mod version showing wrong files for loader [#454]

Misc


  • Regenerate known shared/broken analytics client ids
  • Add svg icon for AUR packages and remove hardcoded path [#448]
  • Change images/icons and arrange them better for themes

New Features


  • Add support for downloading mods from Modrinth [#440]
  • Add delete button to RuntimeDownloaderToolPanel
  • Add icons when browsing mods/packs to add
  • Add in more options for add mod restrictions [#439]
  • Create installer and use optional jre [#443]
  • Packs on CurseForge using JumpLoader no longer use Forge [#444]
  • Add OS information to Google Analytics
  • Use newer universalJavaApplicationStub for OSX app
  • Add in debian packaging
  • Add in RPM packaging

Fixes


  • Dialog when installing file from CurseForge not showing progress
  • Checking for mods on CurseForge running out of memory causing issue
  • Reinstalling or Updating CurseForge mods hanging when calling api
  • Setup dialog not having correct spacing
  • Redact Authorization headers from debug logging
  • Close dialog after adding a mod to an instance
  • Fix adding mods failing when fingerprinting fails
  • When relaunching in debug mode, add the original arguments
  • Some dialogs not showing on top in OSX correctly
  • External pack instances not saving don't update preference
  • Installing/reinstalling/updating external pack not showing updates

Misc


  • Add in automatic publishing of AUR packages on release

New Features


  • Scan mods added to mods folder manually when clicking Edit Mods
  • Remove mods from instance that are no longer in filesystem
  • Show filename in context menu in Edit Mods dialog

Fixes


  • Files downloaded with 0 size will (almost) never be valid
  • When updating to a different MC version, show dialog about mods
  • Don't recheck CurseForge for mod info when not needed on reinstall
  • Do some null checking when checking for external pack updates

Misc


  • Add more exclusions to error reporting

Fixes


  • Issue launching instances

Fixes


  • Fix instance installer failing when fingerprinting fails [#436]
  • Fix not working on NAT64 networks [#434]
  • Fix some external pack actions UI hangs when servers slow [#435]
  • Fix getting default skin head causing exception

Misc


  • Add in automated UI testing
  • Cleanup of ProgressDialog

Fixes


  • Updating modpacks.ch instances not showing latest versions
  • Fix installs of pack with no mods causing issues

Fixes


  • Switch to DOCUMENT_MODAL for modals to make console always usable
  • Check all mods on CurseForge when installing that don't have it
  • Packs installed from CurseForge always showing as having updates
  • Debug mode tool panel still working when in debug mode
  • Always censor certain arguments when launching regardless of debug

Fixes


  • Fix downloading files causing multiple connections to open
  • Fix downloading files without hashes causing multiple connections
  • Fix downloading files causing connections to stay open
  • Fix downloading from a pool causing write issues when multiple dirs
  • Fix launch arguments having some oddities and missing Tricks arg
  • Fix instance installer progress being off in some places
  • Fix issue with extraArguments being null on instance conversion

Misc


  • Use hash/size for forge loaders from server
  • Switch to using own Forge mirror for installer and older libraries