Its not necessary that the machine that runs the App should have Visual Basic / Studio Installed. If all the necessary requirement to run the Application are met, that would be sufficient to run the Tool. Irrespective of which version of Visual basic it was created in.
If you are talking about how to open the Project file / Solution File created in 2010 in 2008 VB , then you can visit the following links.
Open VB 2010 as VB 2008 Project1 [
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Open VB 2010 as VB 2008 Project2[
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