Word Perfect

Word Perfect 12

<package id="wordperfect" name="WordPerfect" revision="1" priority="0" reboot="false">

 <check type="uninstall" condition="exists" path="%PROGRAMFILES%\WordPerfect Office 12" />

 <install cmd='msiexec.exe /i "%SOFTWARE%\office\corel12\disk1\WPO12\SetupWP.msi" /q USERNAME="user" COMPANYNAME="company" SERIALNUMBER="your-license-key" AGREETOLICENSE="Yes" SHOWEULA="0" ' />

 <remove cmd='%COMSPEC% /c wmic /interactive:off product where name="WordPerfect Office 12" call uninstall ' />
  
</package>

Word Perfect 11

This is a silent installer for Word Perfect text editor. More infos from here.

<package id="wordperfect" name="WordPerfect" revision="1" priority="0" reboot="false">
 <check type="uninstall" condition="exists" path="WordPerfect Office 11" />
 <install cmd='%SOFTWARE%\wordperfect\setup /w /s /v"/qn" ' />
</package>