Sorry for that, elasticsearch installation is successful, the problem is running kibana
c:\kibana-7.5.1-windows-x86_64>.\bin\kibana log [15:05:40.869] [info][plugins-system] Setting up [15] plugins: [security,licensing,code,timelion,features,spaces,translations,uiActions,newsfeed,inspector,embeddable,advancedUiActions,expressions,eui_utils,data]
log [15:05:40.876] [info][plugins][security] Setting up plugin
log [15:05:40.877] [warning][config][plugins][security] Generating a random key for xpack.security.encryptionKey. To prevent sessions from being invalidated on restart, please set xpack.security.encryptionKey in kibana.yml
log [15:05:40.878] [warning][config][plugins][security] Session cookies will be transmitted over insecure connections. This is not recommended.
log [15:05:40.886] [info][licensing][plugins] Setting up plugin
log [15:05:40.888] [info][code][plugins] Setting up plugin
log [15:05:40.889] [info][plugins][timelion] Setting up plugin
log [15:05:40.890] [info][features][plugins] Setting up plugin
log [15:05:40.890] [info][plugins][spaces] Setting up plugin
log [15:05:40.894] [info][plugins][translations] Setting up plugin
log [15:05:40.894] [info][data][plugins] Setting up plugin
log [15:05:45.712] [warning][legacy-plugins] Skipping non-plugin directory at c:\kibana-7.5.1-windows-x86_64\src\legacy\core_plugins\visualizations
log [15:05:45.817] [warning][licensing][plugins] License information could not be obtained from Elasticsearch for the [data] cluster. [security_exception] missing authentication credentials for REST request [/_xpack], with { header={ WWW-Authenticate="Basic realm="security" charset="UTF-8"" } } :: {"path":"/_xpack","statusCode":401,"response":"{"error":{"root_cause":[{"type":"security_exception","reason":"missing authentication credentials for REST request [/_xpack]","header":{"WWW-Authenticate":"Basic realm=\"security\" charset=\"UTF-8\""}}],"type":"security_exception","reason":"missing authentication credentials for REST request [/_xpack]","header":{"WWW-Authenticate":"Basic realm=\"security\" charset=\"UTF-8\""}},"status":401}","wwwAuthenticateDirective":"Basic realm="security" charset="UTF-8""}
log [15:05:46.398] [info][plugins-system] Starting [8] plugins: [security,licensing,code,timelion,features,spaces,translations,data]
log [15:05:46.407] [warning][migrations] Unable to connect to Elasticsearch. Error: [security_exception] missing authentication credentials for REST request [/.kibana], with { header={ WWW-Authenticate="Basic realm="security" charset="UTF-8"" } }
log [15:05:46.408] [warning][migrations] Unable to connect to Elasticsearch. Error: [security_exception] missing authentication credentials for REST request [/.kibana_task_manager], with { header={ WWW-Authenticate="Basic realm="security" charset="UTF-8"" } }
log [15:06:10.942] [warning][licensing][plugins] License information could not be obtained from Elasticsearch for the [data] cluster. [security_exception] missing authentication credentials for REST request [/_xpack], with { header={ WWW-Authenticate="Basic realm="security" charset="UTF-8"" } } :: {"path":"/_xpack","statusCode":401,"response":"{"error":{"root_cause":[{"type":"security_exception","reason":"missing authentication credentials for REST request [/_xpack]","header":{"WWW-Authenticate":"Basic realm=\"security\" charset=\"UTF-8\""}}],"type":"security_exception","reason":"missing authentication credentials for REST request [/_xpack]","header":{"WWW-Authenticate":"Basic realm=\"security\" charset=\"UTF-8\""}},"status":401}","wwwAuthenticateDirective":"Basic realm="security" charset="UTF-8""}
log [15:06:40.945] [warning][licensing][plugins] License information could not be obtained from Elasticsearch for the [data] cluster. [security_exception] missing authentication credentials for REST request [/_xpack], with { header={ WWW-Authenticate="Basic realm="security" charset="UTF-8"" } } :: {"path":"/_xpack","statusCode":401,"response":"{"error":{"root_cause":[{"type":"security_exception","reason":"missing authentication credentials for REST request [/_xpack]","header":{"WWW-Authenticate":"Basic realm=\"security\" charset=\"UTF-8\""}}],"type":"security_exception","reason":"missing authentication credentials for REST request [/_xpack]","header":{"WWW-Authenticate":"Basic realm=\"security\" charset=\"UTF-8\""}},"status":401}","wwwAuthenticateDirective":"Basic realm="security" charset="UTF-8""}
sorry for the inconvenience, this is the error message that i get.