Step 1
Open the cmd shell as administrator.
Step 2
cd to the Elasticsearch's bin subfolder:
cd C:\server\elasticsearch\7.17.6\bin
Step 3
elasticsearch-plugin install <plugin-name>
E.g:
elasticsearch-plugin install analysis-phonetic
elastic.co/guide/en/elasticsearch/plugins/7.17/analysis-phonetic.html#analysis-phonetic-install
Step 4
Restart the Elasticsearch's Windows service:
net stop elasticsearch-service-x64 && net start elasticsearch-service-x64
