How to setup and run keycloack in local

Step1:Direct download link (ready-made JAR)

This is a known working SMS OTP plugin with HTTP delivery capability:

Step2: move jar folder inside provider

Step3:Build Keycloak (REQUIRED)

Open Command Prompt and run:

R:
cd R:\keycloak-26.3.3
bin\kc.bat build

STEP 4: Start Keycloak

bin\kc.bat start-dev

STEP 5: Confirm in Admin UI

Open:

http://localhost:8080/admin

Go to:

Authentication → Flows → Browser → Add execution

You should now see:

SMS Authenticator

SMS OTP Authenticator

Debug School