PDFCreator provides both 32-bit (x86) and 64-bit (x64) MSI installers for compatibility with different Windows systems. You can find detailed instructions on how to run the 32-bit (x86) in the Readme-And-Build-x86_msi.cmd file, included in the download.
Download the PDFCreator Professional MSI package
Download the PDFCreator Terminal Server MSI package
Please note: PDFCreator Free and PDFCreator Server don't have the MSI option.