Log into the Battle desktop app. Click the Call of Duty icon (not the Call of Duty: Modern Warfare icon) at the top. If the icon is missing, click on All Games and select the game from the list. Click Install.
The galgo does not need much exercise. Three walks of 20 minutes a day is usually enough. Despite being the athletes of the canine world, galgos are not very active dogs. Obviously it depends a lot on the age, a young galgo less than two years old has more need to run than an older one.