Steps to install 64 Bit
1.  Sql server 2008 64 bit with tools
2.  Restore their database from SQL
3.  Install VRP from http://www.visualretailplus.com/downloads/Inst/VRP7.exe
4.  Once done delete upgrade.exe
From command prompt:
cd c:\pos regsvr32 -v msadodc.ocx
cd c:\pos regsvr32 -v msbind.dll
5.http://go.microsoft.com/fwlink/?LinkId=123703&clcid=0x409 Install DMO
6.  Set up DSN in odbcad32.exe and in rpswitch.exe