Another veteran site. Their version includes the and Kitserver 2011 pre-installed.
Search "G4U PES 2011 Highly Compressed" – their repack is 520MB and comes with a pre-configured settings editor. better+download+game+pes+2011+pc+highly+compressed+link
Because the game is considered "abandonware" (no longer sold by Konami), safe preservation communities have created highly compressed archives to keep it alive. Another veteran site
Because this is an older title, finding "highly compressed" links often leads to unofficial sources. You should be cautious, as these files are frequently pirated and can carry significant security risks. Official & Archive Sources Internet Archive : You can find archived versions of the PES 2011 PC Reloaded better+download+game+pes+2011+pc+highly+compressed+link