Which setup should I install?
xlCompare has 2 setup packages - for Excel 32-bit and for Excel 2010 64-bit.
To find which version (32-bit or 64-bit) of Excel 2010 is installed on your PC, you should use File | Help command.
Section About Microsoft Excel displays version number and which one is installed - 32-bit or 64-bit.
All versions of Excel below 2010 - 2007, 2003, 2002, 2000 are 32-bit.
If you have Windows 7 64-bit but Excel 32-bit - you should install xlCompare 32-bit.