Prompt not found SSF file when installing STEP7-300 5.4

Solution–
1, can be installed with a virtual optical drive;

2. There is only English in the installation path;

3, it is recommended to put the installation folder in the root directory of the system disk, note that the folder should be an English name;

4. If necessary, you can copy the “step7.Ssf” file in the “step7” folder in the installer to the upper folder, which means that you want to put this file in the installation file “setup.Exe”. Inside the folder.