How To Launch An .EXE Inside a Folder?

How To Launch An .EXE Inside a Folder?

I know this should be a simple answer but I'm having an issue with a .zipped file in a package - I've confirmed successful transfer/extraction of the zip; however, the setup.exe I need to launch is within a folder called Build.  What do I put for the installation command to launch setup.exe upon download?  I've tried setup.exe,  /build/setup.exe and build/setup.exe with no luck - would this require a short script? Thanks!
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