Exit your web browser. This is not essential but is generally recommended - in fact it is best to exit all open applications just to make sure that the installation goes without a hitch. Locate and run the file that you have just downloaded . The file that you have just downloaded will be called something like cp2.1setup.exe. Work through the Install Wizard dialog.
Install shield appears for five seconds then the Cosmo page appears with instruction text.
2.1 Click Yes. Click Finish when you get to the last page. Find your way back to the Lloyds 3D Market page on the web. Click the 'I've already got it' link. This will take you to the page containing the Lloyds 3D Market model.