The OS is Windows 10 home, but it can be upgraded to Windows 11 home. 

About this item

• Dominate the Game: With the 10th Gen Intel Core i5-10300H processor, your Nitro 5 is packed with incredible power for all your games
• RTX, It's On: The latest NVIDIA GeForce RTX 3050 (4GB dedicated GDDR6 VRAM) is powered by award-winning architecture with new Ray Tracing Cores, Tensor Cores, and streaming multiprocessors support DirectX 12 Ultimate for the ultimate gaming performance
• Visual Intensity: Explore game worlds in Full HD detail on the 15.6" widescreen LED-backlit IPS display with 1920 x 1080 resolution, 144Hz refresh rate and 80% screen-to-body, 16:9 aspect ratio
• Internal Specifications: 8GB DDR4 2933MHz Memory (2 DDR4 Slots Total, Maximum 32GB); 256GB NVMe SSD (2 x PCIe M.2 Slots, 1 x 2.5" Hard Drive Bay Available)
• Prioritize Your Gameplay: Killer Ethernet E2600 and Intel Wi-Fi 6 AX201 gives you an edge online by taking control of your network and prioritizing your gameplay
• Stay Cool Under Pressure: When heavy use requires an added boost, Acer CoolBoost technology increases fan speed by 10% and CPU, GPU cooling by 9% compared to auto mode, overall increasing thermal performance by 25% for better gaming comfort

This is a customized computer, 

You can pick the spec to meet your demand.