campaign first and then switching to Multiplayer from the in-game menu. Steam Community Additional Troubleshooting
Most platforms require "buffer space" to install a game. For a 50GB game, you might actually need 100GB of free space during the installation process. The system downloads a compressed file, copies it, and then deletes the original. If you are right on the edge of your storage limit, the installation will fail immediately. Solutions for PC (Steam) Call Of Duty Advanced Warfare Insufficient Free Disk Space
: Players with hundreds of gigabytes of free space would suddenly be booted to the main menu with a message demanding they "free at least 5MB". campaign first and then switching to Multiplayer from