Unreal engine 4 package project problem

Development Platform & Builds
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1

Unreal engine 4 package project The compilation time is no more than 3-4 hours.
Computer info
Windows 8.1 pro x64
Ozu 4 gb
Cpu Intel core duos 2.80Ghz 2 yader
1GB Geforse gt 250 256bitwhat is the problem?

2

Versia 4.9.0