A good advice is to resize the textures of the OpenWorld demo before migrating, you can use this to resize (need to set normal texture group afterwards manually inside the texture) ImageResizUEr in Code Plugins - UE Marketplace
A good advice is to resize the textures of the OpenWorld demo before migrating, you can use this to resize (need to set normal texture group afterwards manually inside the texture) ImageResizUEr in Code Plugins - UE Marketplace