If you have the full installation media but need to extract the .msi or create a local layout, follow these steps: Description of Visual Studio 2010 Service Pack 1
This ISO contains the full offline installer, including vs10sp1-x86.msi inside. vs10sp1-x86.msi offline download
If you head to the standard Microsoft Download Center , you’ll find that many direct links to the original Visual Studio 2010 SP1 full installer have been removed. Microsoft now recommends using the latest versions of Visual Studio, but for legacy projects, SP1 is still a necessity. If you have the full installation media but