If you want to get Farm information e.g. configuration database version, configuration database server, SharePoint products installed go to Central Administration > System Settings > Manage servers in your farm (/_admin/FarmServers.aspx). If you want to view the patch status for products installed on servers in the farm, go to Central Administration > Upgrade and Migration > Check Product and patch installation status (/_admin/PatchStatus.aspx). If you want to view the upgrade status for databases in the farm, go to Central Administration > Upgrade and Migration > Review database status (/_admin/DatabaseStatus.aspx).