First download solr zip package from URL:
https://solr.apache.org/downloads.html
Download this zip – https://dlcdn.apache.org/lucene/solr/8.10.1/solr-8.10.1.zip
Then extract it on C:/ drive. Open CMD tool as administrator.
and use following command to start solr.
#solr start
solr will start on 8983 port.