# Application server requirements

### In this section

* [Hardware requirements for application server](https://help.qlik.com/talend/en-US/data-catalog-installation-and-upgrade-guide-windows/8.0/hardware-requirements-for-application-server)
* [Compatible Operating Systems](https://help.qlik.com/talend/en-US/data-catalog-installation-and-upgrade-guide-windows/8.0/compatible-operating-systems)
* [Application server engine requirements](https://help.qlik.com/talend/en-US/data-catalog-installation-and-upgrade-guide-windows/8.0/application-server-engine-requirements)
* [Compatible Java Runtime Environments](https://help.qlik.com/talend/en-US/data-catalog-installation-and-upgrade-guide-windows/8.0/compatible-java-runtime-environments)