First of all, you need to install the virtual optical drive? Then the installation file of Virtual Sakura Wars 3? If data3.cab is missing? You should need the virtual AGX-SW32 file? The 6CD version has this? The specific virtualization method: first Download the virtual optical drive-start the virtual drive after installation-as shown in the picture-select DEVICE0:-Mount?image-select the AGX-SW32 file of Sakura Wars 3 file-confirm-then the H drive of my computer will become that file ( It may also be other disks) It depends on the personal computer - so when there is a lack of files, just choose the virtualized disk