In order to reinstall the software, you will need first to uninstall it from your computer:
If you use Windows XP or below you can go to Start > Control Panel > Add or Remove Programs. In the Currently installed programs box, click on the Pacesetter BES Lettering program and then click Remove.
If you have Windows Vista or above, go to Start > Control Panel > Programs > Programs and Features. Select the Pacesetter BES Lettering application and click Uninstall.
After that, if you have the software CD, insert it in the computer's CD drive and run the installer. Click Next, read the License Agreement, check the I accept the terms in the license agreement box and press again Next. Follow the on-screen instructions and click Finish when the process is completed. If you don't have a program CD, you can use the
email@example.com e-mail address to request a download link. For further details about the installation process, you can check the official user guide.