We currently support versions of nopCommerce is 2.65, 2.70, 2.80, 3.00, 3.10, 3.20, 3.30, 3.40, 3.50, 3.60, 3.70, 3.80, 3.90 and 4.00 for nopAccelerate plugin and nopCommerce version 4.10 for nopAccelerate Plus Pro & Search. If you’re looking for Solr extension for any other nopCommerce version, contact us with the details of version you’re having. We will love to add support for unsupported version for you.