Learn how to run Quantum Monte Carlo (QMC) simulations and QMCPACK on graphics processing units from NVIDIA, AMD, and Intel in this 49-minute lecture delivered by Ye Luo as part of the Quantum Monte Carlo and QMCPACK Summer School 2025. Discover the techniques and best practices for leveraging GPU acceleration to enhance the performance of quantum Monte Carlo calculations across different hardware platforms. Explore the specific considerations and optimizations required when working with GPUs from the three major manufacturers, including setup procedures, performance tuning, and troubleshooting common issues. Access comprehensive presentation materials and practical example files through the accompanying GitHub repository to reinforce your understanding and gain hands-on experience with GPU-accelerated QMC simulations using QMCPACK.