Before the release of PDFCreator 6.0.0, the MSI installer came in two versions, one for 32 bit (x86) and one for 64 bit (x64) editions of Windows. To reduce the file size of the msi zip file, the x86 MSI installer had to be built by executing the “Readme-And-Build-x86_msi.cmd”. Otherwise the installation was similar to the 64 bit version, as described in MSI Installer