Download and install Java.
Download and install FOP.
Add the path of the FOP directory to the PATH system variable:
From the Start Menu, choose Start-> Settings-> Control Panel.
Double-click System to open the System Properties window.
On the Advanced tab, click Environment Variables.
In the System variables combo box, select the PATH variable and click Edit.
In the Variable value edit box, add the path of the FOP directory.
Click OK in the Edit System Variable dialog box.
Click OK in the Environment Variables dialog box.
The instructions are given for Classic Start menu and Classic View of Control Panel.
Restart Serna.