Download a tool like WinRAR or 7-Zip if you don't have one.
You can find the game files, such as the RELOADED version, on the Internet Archive . download-pro-evolution-soccer-2015-the-games-download-rar
For a legitimate digital copy, you may find Steam gifts or keys through retailers like G2A , though official store availability is limited as the series has transitioned to eFootball . Download a tool like WinRAR or 7-Zip if you don't have one
Open the folder named or "Crack" inside your extracted files. Copy all files inside that folder. such as the RELOADED version
Go to the folder where you installed the game and the files, selecting "Replace" when prompted.