Double-click the file and click "Yes" when prompted by User Account Control (UAC) to merge the data.
You cannot install official Konami DLC or patches.
But Marcus had a problem. He had just upgraded to a modern 64-bit monster of a PC, and his beloved Pro Evolution Soccer was refusing to cooperate. The kits were wrong, the transfers were stuck in the 2012 season, and the dreaded "Pro Evolution Soccer 2013 is not installed" error kept mocking him.