hi @Yuri9447 Long ago I wrote an post about this. Many people added to this. If you are allowed to make to textures smaller 8K to 4K.
How to Improve Texture Streaming GPU performance in UE5 over 20% increase on GPU memory [Solved] - Development / Platform & Builds - Epic Developer Community Forums (unrealengine.com)
another useful post
Video memory has been exhausted - Development / Rendering - Epic Developer Community Forums (unrealengine.com)