C:> choco install dart-sdk
C:> choco upgrade dart-sdk# Windows
choco install dart-sdk
# Linux
sudo apt-get update
sudo apt-get install dart
# MacOS
brew tap dart-lang/dart
brew install dartchoco install dart-sdksudo apt-get update
$ sudo apt-get install apt-transport-https
$ wget -qO- https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo gpg --dearmor -o /usr/share/keyrings/dart.gpg
$ echo 'deb [signed-by=/usr/share/keyrings/dart.gpg arch=amd64] https://storage.googleapis.com/download.dartlang.org/linux/debian stable main' | sudo tee /etc/apt/sources.list.d/dart_stable.list