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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

Fixes


  • Issue with multiple detected error popups showing after launch [#642]
  • Don't show Java setting when using Java provided by Minecraft (match Instance settings)
  • Remove error when failing to delete lwjgl/natives temp directory [#639]
  • Issue installing some mods from Modpacks.ch packs due to some null CurseForge information

New Features


  • Add support for ARM devices [#576]

    • This is entirely beta at this point and may or may not work. Please report any issues in our Discord
    • If you notice issues, please turn off ARM Support in the General Settings page

  • Cache Minecraft version manifests

Fixes


  • Clarify the error popup after launch when needing Java 16 on Java 8 Minecraft
  • Change text when installing loader to indicate it may take some time
  • Make some dialog windows resize as needed to fit the content
  • Disable Discord integration for Arm devices
  • Setup dialog showing languages not available
  • Launch in debug mode tool panel not working
  • Updating skins not checking for valid access token first
  • Remove forcing of IPv4
  • Use CDN to get Minecraft version information [#631]
  • Remove some unecessary caching on HTTP requests
  • Updating Modrinth mods sometimes always thinking there's an update

Misc


  • Change translations using loader/mod platforms to use placeholders
  • Add more context to some strings

Fixes


  • Remove languages not available

New Features


  • Add prompt to restart launcher when changing language

Fixes


  • Issue with NPEs when checking for CurseForge mod updates [#608]
  • Add --debug-level option back in
  • Noisy logs around images for instance/server cards
  • Some incorrect colours on light themes
  • Issue with main Forge library not downloading correctly from our CDN
  • Allow theme fonts for some languages
  • Use base font for tabs on languages that don't support the font used
  • Some relocalisation not happening for some text/components
  • Load language from settings and earlier in boot process

Misc


  • Remove headless dependency from debian package
  • Remove openeye reporting

Fixes


  • Force load Minecraft versions if they don't exist when getting a version [#631]
  • Issue with exception message being null when logging in to Mojang account
  • Revert commit 26ce237 to undo the logging changes causing launch issues [#634]

New Features


  • Support Forge 1.6.1 and below [#530]
  • Add in skin uploader
  • Show error and prevent launching when in a headless environment on Linux
  • Add clone item to edit instance menu

Fixes


  • Old launcher logs not being deleted after 14 days
  • Fix issues importing from Flatpak [#605] (thanks @Doomsdayrs)
  • Issue importing CurseForge format zips with missing overrides in json
  • Fix default instance sort setting labeled incorrectly [#615] (thanks @Doomsdayrs)
  • Fix mods logger on launch not actually logging everything that was added
  • Fix Fabric dependency showing for mods even when installed on another mod platform
  • Fix issue with Quilt mods showing as updates for Fabric instances [#622]
  • Don't show Fabric dependency when QSL is installed
  • Issue when checking for updates on Modrinth not using correct loaders
  • Hashes not verified when adding a mod from CurseForge to an instance [#626]
  • Importing mrpack files that don't return a valid project from Modrinth api failing
  • Manually added mods not being checked on CF/MR when exporting instances
  • Force modrinth.index.json to UTF-8 charset
  • Issue with major version mod restrictions not working for 1 dot versions [#629]
  • Issue with date format and instance title format settings not remembering value on load [#610]
  • Inject DigiCert G2 root cert to support new Azure Mojang CDN SSL certs on old Java
  • Analytics not coming through correctly for featured ATLauncher packs
  • Issues with getting projects as map for CurseForge/Modrinth having duplicate ids
  • Fix layout shift when switching to/from ATLauncher featured packs tab
  • Issue with newer Forge versions not being detected from Technic pack zip files
  • Instance account override resetting on every startup of the launcher
  • Exception in AddModsDialog when Modrinth/CurseForge api call fails
  • Issue with scanning for antivirus failing and causing NPE
  • Remove some errors from being reported remotely

Misc


  • Switch to using Log4j2 for application logging [#533] (thanks @s0cks)
  • Add in some missing documentation [#569] (thanks @Doomsdayrs)
  • Update dependencies
  • Update to Java 17 for the Windows installer [#601]
  • Ask user to confirm deleting user data when uninstalling on Windows
  • Implement view model for ToolsTab [#612]
  • Implement view model for AccountsTab [#607]
  • Implement view model for NewsTab [#611]
  • Use a new user agent for non analytics requests to better follow api guidelines
  • Upgrade Sentry and fix some issues with filtering events

Fixes


  • Issue finding projects from Modrinth hash lookup
  • Issues exporting due to special characters in instance name

Fixes


  • Issue with launching packs for the first time

New Features


  • When installing a pack, check for mod metadata from Modrinth
  • When scanning for manually added mods, check Modrinth as well
  • When drag and dropping mods, check on Modrinth for the file
  • When importing mrpack file, check if it exists on Modrinth to sync it up for updates/reinstalls
  • When a Modrinth version has multiple files, add dropdown to select the version to download

Fixes


  • Issue with DBus packages causing install issues with some Forge versions [#564]
  • Modrinth exports trying to include non existent files
  • Packs through Technic without a logo not installing
  • Use Modrinths multi hash check endpoint instead of individually
  • Remove disk information from logging
  • Make no the default option when removing mods from an instance
  • Log error when no way to open web browser/file explorer
  • Use user downloads folder for Flatpak browser downloads
  • Don't prompt to install Fabric API when user already has Quilt Standard Libraries
  • When updating/reinstalling mods with metadata from multiple platforms, use the default platform setting
  • Adding pack manually through Modrinth/CurseForge not showing a progress dialog
  • Issue with installing/updating Modrinth packs causing NPEs

Misc


  • Remove some unecessary files from the shadow jar
  • Move the numPlays/lastPlayed stats into the InstanceLauncher class

New Features


  • Add in ability to export to both CurseForge and Modrinth at the same time
  • Remember the last used name, version, author and save path when exporting instances
  • Add the version number to the exported filename

Fixes


  • Unable to export when name contains invalid path characters
  • Remove overrides folder from exports when it's empty
  • Folders to go into overrides not working as intended when exporting an instance
  • Exclude .fabric and .quilt folders from being exported
  • Issue installing Modrinth packs that have no env set for files
  • Issue selecting Quilt loader causing a lock when no versions available