FSF Versions of GNAT Tools
GNAT Compiler
Windows X86-64
https://public-training.adacore.com/toolchain/gnat-windows.tar.gz
Extract into a folder on your machine
Add the bin directory onto your path environment variable
Linux X86-64
https://public-training.adacore.com/toolchain/gnat-linux.tar.gz
Extract into a folder on your machine
Add the bin directory onto your path environment variable
Other platforms
GNAT Studio
Windows X86-64
https://public-training.adacore.com/toolchain/gnatstudio-installer.exe
Run the installer executable
Make sure you select the checkboxes to update your path and associate the necessary files
Linux X86-64
https://public-training.adacore.com/toolchain/gnatstudio-linux.tar.gz
Extract into a folder on your machine
Run the doinstall.sh script to perform the installation
Other platforms