1. Prerequisites.
                              
                              
                              An original operating system CD-ROM/DVD-ROM. e.g. Windows 2003 CDROM, Windows 7.0, Windows Server 2019 DVD ROM. The CD-ROM/DVD-ROM must be bootable media.
                              
                              Download InfraRecorder from 
https://www.fosshub.com/InfraRecorder.html
                              
                              Download MD5 & SHA-1 Checksum Utility 2.1 from 
http://raylin.wordpress.com/downloads/md5-sha-1-checksum-utility/
                              
                              2. Install InfraRecorder.
                              Once InfraRecorder has been downloaded, install and follow the setup wizard.
                              
3. Create an ISO image file.
                              Insert the CDROM/DVD, and use InfraRecorder to create an ISO image.
                              
4. Creating an MD5 checksum signature of the ISO image file.
                              Install MD5 & SHA-1 Checksum Utility 2.1, follow the setup wizard to install the software. Use MD5 & SHA-1 Checksum Utility 2.1 to generate MD5 signature/checksum.