See the download page to manually download and unpack the latest version, or follow the links below:
spring-boot-cli-1.5.1.RELEASE-bin.zip
spring-boot-cli-1.5.1.RELEASE-bin.tar.gz
SDKMAN! is the Software Development Kit Manager for Java. It can be used to install and manage versions of the Spring Boot CLI as well as Java, Maven, Gradle, and more.
$ sdk install springboot