AMD 25.11.1 INSTALLATION: Connect your GPU to monitor with DISPLAY PORT ONLY during installation as HDMI2.1 is bugged (Timeout, crashes and so) Disconnect USB-c from the card, iGPU for Ryzen CPU, All unecessary USB devices Uninstall previous version with DDU cleanup tool and not with AMD one https://www.guru3d.com/download/display-driver-uninstaller-download Check the right drivers version for your card https://drivers.amd.com/drivers/installer/rsx/amdsoftwarecompatibilitytool.exe Otherwise, download 25.12.1 https://drivers.amd.com/drivers/whql-amd-software-adrenalin-edition-25.12.1-win11-c.exe or AMD Radeon Software Adrenalin 25.12.1 https://drivers.amd.com/drivers/whql-amd-software-adrenalin-edition-25.12.1-win11-c.exe AMD Motherboards : AMD Chipset Drivers Download 7.11.26.2142 https://drivers.amd.com/drivers/AMD_Chipset_Software_7.11.26.2142.exe Windows 11 December Update Fixes AMD GPU Hangs and DX12 Game Crashes (Windows update or https://www.catalog.update.microsoft.com/Search.aspx?q=KB5072033) Run Setup.exe as Administrator without Radeon options (Adrenalin, Anti-Lag 2 and so) and disable Auto Update (for now) Reboot Re plug your devices IF YOU WANT TO TEST VULKAN VS DIRECTX: Execute %LocalAppData% Go to Local\starcitizen\<Your latest version by date>\GraphicsSettings\GraphicsSettings.json Open the .json file / Change number from 0 to 1 to use Vulkan. Run launcher as Administrator WINDOWS EAC PRECHECKS: Do a windows update mandatory before any actions Check all untrusteds drivers https://windowsforum.com/threads/resolve-ea-anticheat-incompatible-driver-on-windows-11-quick-guide.378203/ Check Easy Anti cheats errors after starting Starcitizen: Goto C:\Users\<username>\AppData\Roaming\EasyAntiCheat\ Open service.log, all must be True Search for anticheatlauncher.log in same folder and read it. Share your error message (if you have it) below EAC repair or uninstall: Go to https://www.easy.ac/en-US/support/articles/eac-windows-service Use repair If no luck, uninstall EAC (second part) Run your launcher as ADMIN, then verify files. It will install everything for you BitLocker users, verify as well: C:\Program Files (x86)\EasyAntiCheat_EOS\ Right clic on folder; properties, then advanced, untick "Encrypt contents to secure data"