In Talend Studio, you can select the workspace directory you want to store your project folders in according to your preferences.
If you have already started the Studio, select File > Switch Project or Workspace from the menu bar to restart the Studio.
On the login window, click the Manage Connections button to open the connection setup dialog box.
On the connection setup dialog box, click the [...] button next to the Workspace field.
In the [Browse For Folder] dialog box, browse to your preferred folder to use as the new workspace directory, and click OK to validate your directory selection and close the dialog box.
Click OK to validate your connection setup and go back to the login window.
Back on the login window, click the Restart button to restart your Talend Studio for the change to take effect.