Astronomer's Proposal Tool

APT 2025.8.1

Available Installers


Intel	10.12 (Sierra) +	macOS Intel Download	macOS Intel Instructions
Apple Silicon	11 (Big Sur) +	macOS Apple Silicon Download	macOS Apple Silicon Instructions
	RHEL 7 +, Ubuntu 18.04 +	Linux Download	Linux Instructions
	Windows 8.1 +	Windows Download	Windows Instructions

macOS Intel Instructions:

Instructions

After downloading, double-click APT_Intel.pkg to start the installation.

Notes

More details on supported Mac systems and installation troubleshooting.

SHA-256: ce60b74624054b58a2f3cff193f86fa15d1c96da4b2c6a63b184c12ac4d71765

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macOS Apple Silicon Instructions:

Instructions

After downloading, double-click APT_ARM.pkg to start the installation.

Notes

More details on supported Mac systems and installation troubleshooting.

SHA-256: 6c8a7e853c6f15782580f2d2e35d6068d8488bc29fca219be27d5c67ac0ba649

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Linux Instructions:

Instructions

After downloading open a shell and cd to the directory where you downloaded the installer.
To install type: sh install-linux-apt.sh

Notes

More details on supported Linux systems and installation troubleshooting.

SHA-256: e367b84294192f6bfa5b0658a2ab822920ce8e3a9e80d11c1b633e724c0a2f4d

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Windows Instructions:

Instructions

After downloading, double-click install-windows-apt.exe to start the installer.
(Note that you may get a benign but concerning pop up that says: "The publisher could not be verified.")

Important

We recommend installing this software into the default location (which is a folder within the user's home folder).
In situations where APT must be installed into a common area (such as C:\Program Files), you may need to use an actual Administrator account and not an account that has Administrator privileges or some institution specific configuration of heightened privileges.
If you choose to install to this location, please be sure to specify a directory within Program Files e.g. C:\Program Files\APT_26.0.

More details on supported Windows systems and installation troubleshooting.

SHA-256: 30b067d899a387a6830d8a699f85a4c46956c6cd3d37451c972340d067e4c2ef

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Changeset: 13708d6cdf252185ca8db54110c596975d0c3b76. Build time: 27-Jan-2026 03:13 PM. Built by: sstadmin on runner-t1xcm7i8-project-456-concurrent-1-tq6hswsg