InnoExtractor - a tool to unpack files from Inno Setup installers
InnoExtractor
"Extract data from any Inno Setup installer"
InnoExtractor is a powerful tool that you can use to extract the internal files of Inno Setup installers and more.
The application can be useful if you don't have administrative privileges to run a setup pack, for example. It does not have a wide range of features available, but InnoExtractor can be easily figured out, even by less skilled users.