Step 1
How do I configure 2.2 ≤ Magento < 2.4 for development?
Step 2
bin/magento config:set catalog/search/elasticsearch7_index_prefix <database name>
bin/magento config:set catalog/search/elasticsearch7_server_port 9201
bin/magento config:set catalog/search/engine elasticsearch7
bin/magento cache:clean
bin/magento indexer:reindex
bin/magento cache:clean
Step 3
How do I run Elasticsearch 7 and 8 simultaneously on Windows (for different Magento versions)?
cd C:\server\elasticsearch\7.17.6
.\bin\elasticsearch.bat