How to delete old indices automatically in elasticsearch

Elastic Stack Kibana
1

Hi i need clear solution how can i delete the old indices data automatically after a period of time.thank you

2

This is done with Index Lifecycle Management;

Elasticsearch 7.16 ILM

3

thanks for ur reply.
can u provide me details steps how to setup policy to delete indices on time based from index lifecycle management.it will be more helpfull to me