The mod is packed into the installer and installed like a regular program and is not suitable for the "Build" function on the site. The downloaded archive will contain a link to the mod itself, which is located on the google drive.
For all questions, write to Skype: koronkov_michael So we will quickly resolve any issue. Corresponding in the comments is inconvenient, long and ineffective.
Unpack the downloaded archive to the PokerStars root folder.
Default path: C:\Program Files (x86)\PokerStars (or PokerStars.ES, PokerStars.RUSO)
After installing the mod, launch PokerStars via PokerStars.exe (C:\Program Files\PokerStars\PokerStars.exe) or right-click on the PokerStars shortcut on the desktop and select properties, and in the Object section, remove Update in the line "C:\Program Files\PokerStars\PokerStarsUpdate.exe"