GPU Lightmass was finally included as an official release by Epic and it is a vastly superior method for baking lights compared to CPU Lightmass. This tutorial will bring you up to speed! Baking lights has always been scary, but worry not, this video will help you from start to finish. GPU Lightmass Documentation (READ THIS) https://docs.unrealengine.com/en-US/RenderingAndGraphics/GPULightmass/index.html Console Command for disabling Raytracing Effects: r.RayTracing.ForceAllRayTracingEffects 0 #archviz #unrealengine #ue4 #gpulightmass #tutorial --------------- This video is NOT sponsored. Some product links are affiliate links which means if you buy something I'll receive a small commission. --------------- Timestamps: 00:00 - Intro 00:30 - Boring (But important!) Part 02:24 - Scene Setup 07:02 - Lightmap UV's 09:04 - Lightmap Resolution 10:33 - Slow Mode Fix 12:08 - Lightmap Compression (Get Cleaner Bakes) 13:49 - Baking HDRI's (Skylight) 15:19 - Bake What You See Mode 17:31 - Bonus Tip! --------Cameras and Gear Used To Film This Video ------ DISCLAIMER: This video/description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. As an Amazon Associate I earn from qualifying purchases. This helps support the channel and allows us to continue to make videos like this. Thank you for the support! My Streaming / Recording Setup (How this Video was Recorded) Deity V.lav Microphone : https://amzn.to/3czMYG5 Godox LEDP 260c LED Panel: https://amzn.to/3toBWtJ Godox Parabolic Softbox : https://amzn.to/36vXTgF Panasonic G7 Mirrorless Camera: https://amzn.to/3coTBeN Godox SL-60W Studio Light: https://amzn.to/2Yz6Hhq Razer Seiren X Microphone: https://amzn.to/2Y4fFCI