How do I reduce my package size for Windows in UE 5.2 ?
I looked up in documentation but it didn’t fulfill my requirements. For just a basic third person template the package size is over 1 GB.
Texture sizes, reduce number of textures. Do not use megascans textures. Well use them but be careful how.
things you should do:
- reduce texture sizes in packaged game (also in project/editor),
- reduce number of textures (atlas textures, do not use skinned materials, instead use tillable textures and layered materials with blending functions)
- and do not use materials right from megascans, work on them first.
But anyway there is price for “Next Gen” unreal engine that can do anything. Price is package size. 
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all above and also may find this video helpful
if the assets were from market place.they almost are 4k by default(1 picture = 10+mb). decreasing their max resolution will significantly reduce package size.
and you could migrate the project to a new empty project before packaging it.that way you can get rid of unused assets.though I heard people say unreal won’t include those unused but I feel like it seems to included(didn’t compare).
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CORRECT!
It may not be 100%, but it is very close.
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