Actual Installer Forum

Is it possible to setup a Prerequisite that checks to see if SQL Server is installed and, if it is, then check to see if a specific version of Crystal Reports is installed? If SQL Server is not installed, then check to see if if a different version of Crystal Reports is installed? I check easily check for Crystal Reports but, I cannot seem to figure out how to do this multiple condition.

Example;
If SQL Server Express 2012 is installed, then check this Registry value;
HKEY_LOCAL_MACHINE\SOFTWARE\SAP BusinessObjects\Crystal Reports for .NET Framework 4.0\Crystal Reports\CR4VSVersion
if the value is less than to 13.0.15, then download this file;
http://downloads.businessobjects.com/ak ... 3_0_15.exe


If SQL Server Express 2012 is not installed, then check this Registry value;
HKEY_LOCAL_MACHINE\SOFTWARE\SAP BusinessObjects\Crystal Reports for .NET Framework 4.0\Crystal Reports\CRRuntime32Version
if the value is less than to 13.0.15, then download this file;
http://downloads.businessobjects.com/ak ... 3_0_15.zip