Question: how to create sfx installer?
Answer: Step 1 - Setup your installation folder. To make this easy create a folder c:\Install. ... 
Step 2 - 7Zip your installers. Go to the folder that has your .msi and your setup.exe. ... 
Step 3 - Get the 7z-Extra sfx extension module. You need to download the 7z-Extra. ... 
Step 4 - Setup your config. ... 
Step 5 - Create the archive.