Operating System: Edition: Windows 10 Enterprise Version: 1709 OS Build: 16299.611 System Type: 64-bit operating system, x64-based processor I have issued the following command: arduino-cli-0.2.0-alpha.preview-windows.exe core install arduino:avr and got this message: The tool arduino:avr-gcc@4.9.2-atmel3.5.4-arduino2 is not available for the current OS this prevents me to use the arduino-cli on my Windows system Same command issued on Linux system (on same machine) works properly