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Preparation

StellaWare Chams for Rainbow Six Siege loads through a removable drive and uses OBS Game Capture during activation. Complete every step below before running the loader.

Remove conflicting software

  • Riot Vanguard
  • FACEIT Anti-Cheat
  • Kaspersky Anti-Virus

Uninstall, don’t just disable

Remove these from Add or remove programs and reboot — a disabled service still blocks the loader.

Install the latest NVIDIA driver

Download and install the newest driver for your GPU: NVIDIA Drivers

Prepare a flash drive

  1. 1Connect a USB flash drive to your PC
  2. 2Move the folder from the archive onto the flash drive
  3. 3No flash drive? Create a virtual one with OSFMount

Install OBS Studio

  1. 1Install OBS from OBS Studio 24.0.3
  2. 2Do not update OBS if it asks you to after installation
  3. 3Always run OBS as administrator

Version matters

Updating OBS after installation is the most common reason activation fails later.