bal run hello.bal If you were looking for something else (like a Ballerina doll download, game, or other software), always avoid unofficial or pirated download sites offering "Ballerina pobieranie za darmo" (free download). These often contain malware.
Run it with:
bal version You should see the installed version number. Create a file hello.bal : ballerina pobieranie
import ballerina/io; public function main() { io:println("Hello, World!"); } bal run hello