If you experienced an error related to reading data from the installation disc, we suggest using the most convenient form of game installation via GOG Galaxy platform:
You can redeem your game code (on the back of game manual) there:
If you are unable to install the game on GOG Galaxy platform due to slow internet, we suggest you use the following tips:
If the above steps do not correctly install the game, please check if the error is repeated on another computer.
NOTE: If the above solutions prove to be ineffective or have already been applied, then in this case we suggest using the possibility of submitting a complaint at the place of purchase of the product.