Navigate to the Cake resource repository to download the boostrapper. For Windows, download the PowerShell build.ps1 file and for Mac and Linux, download the build.sh bash file.
On Windows, open a new PowerShell window and run the following command:
Invoke-WebRequest https://cakebuild.net/download/bootstrapper/windows -OutFile build.ps1
On Mac, run the following command from a new shell window:
curl -Lsfo build.sh https://cakebuild.net/download/bootstrapper/osx
On Linux, open a new shell to run the following command:
curl -Lsfo build.sh https://cakebuild.net/download/bootstrapper/linux