You can check the expiration date of the license you are using at any time in Talend Studio, and
replace it with a new one, if needed. Proceed as follows:
Procedure
From the Talend Studio
menu bar, select Help > About License.
The About License dialog box is displayed, showing the
license expiration date.
To change the license, select either to import it from the remote server or
from your local file system by selecting the right option in the dialog box and
following the instructions in the open wizard.
The license expiration date is updated according to the imported license and
is displayed at the bottom of the dialog box.
To change the license, select a repository based on your region or
requirement.