Hello Raven!,
Below is a step by step guide on how to add Warfare Online’s folder to your windows defender whitelist.
Step 1 : Go to Windows Security

Step 2 : Select Virus & threat protection

Step 3 : Select Manage settings under Virus & threat protection settings

Step 4 : Scroll down and Click Add or remove exclusions

Step 5 : Click Add an exclusion and select Folder

Step 6 : Select your RYL Raven folder

Step 7 : Double check if RYL Raven folder was added successfully

Now you may play RYL Raven without having false positives being detected on any of the files in that folder.