1. Click Install SYSTRAN browser extensions in the Windows start menu:
2. A new page is displayed in your Mozilla Firefox browser (recommended version: 38).
3. Click Download Firefox extension.
4. Click Add to Firefox.
5. Firefox will download the requested extension and ask you to confirm that you want to install it.
6. Click the SYSTRAN icon that will appear on the right of the address bar and click Options to activate the extension.