# Installing external modules manually for Talend Web applications

Some modules required for a Talend Web application to work are not available on the Talend website but can be downloaded directly from external websites. Once downloaded, these modules must be placed in specific folders.

## Procedure

* For the Talend MDM Server, place the downloaded JDBC drivers for the Oracle and MySQL databases in the following folder:

  <TomcatPath>/webapps/talendmdm/WEB-INF/lib
* For Talend Administration Center, place the downloaded modules in the following folder:

  <TomcatPath>/webapps/org.talend.administrator/WEB-INF/lib