# Prerequisites

Information noteWarning: If you want to migrate from Talend 7.1 or earlier, contact Qlik Professional Services.

Information noteWarning: Migrating projects from 4.1 or any previous version is not supported any more from Talend 8.0 onwards.

### In this section

* [Checking software requirements](https://help.qlik.com/talend/en-US/migration-upgrade-guide/8.0/checking-software-requirements)
* [Backing up the environment](https://help.qlik.com/talend/en-US/migration-upgrade-guide/8.0/backing-up-environment)