windows
x86_64-pc-windows-gnu
upx-x86_64-pc-windows-gnu-4.0.2-1.zip linux
x86_64-linux-gnu
upx-x86_64-linux-gnu-4.0.2-1.tar.gz
aarch64-linux-gnu
upx-aarch64-linux-gnu-4.0.2-1.tar.gz mac
arm64-apple-darwin
upx-arm64-apple-darwin-4.0.2-1.tar.gz
x86_64-apple-darwin
upx-x86_64-apple-darwin-4.0.2-1.tar.gz 
