: Custom emblems often do not save in these offline versions.
: Open the Redacted.ini (or similar .ini ) file. Find the line Username=YourName and change it to your desired in-game name. bo2.offline.sp.mp.zm.client.v3.7z
: The game requires a 2.4 GHz dual-core CPU, at least 2GB of RAM (4GB recommended for 64-bit), and approximately 16GB of disk space. Troubleshooting Common Errors Call of Duty on PC is still NOT SAFE in 2025. : Custom emblems often do not save in these offline versions
: Use a tool like 7-Zip to extract the v3.7z contents into your root BO2 folder. bo2.offline.sp.mp.zm.client.v3.7z