The downloads are in two formats. The multi-platform image is an ISO version that can be used to create a DVD for off-line installation. The single platform image (x86 / x64) is an EXE file that can be run from a DVD, but is not intended as a bootable
version. Neither of these should require an internet connection after having been successfully downloaded and verified.
Your issue is probably going to be that after installation it will need to either connect to be validated/activated, or of course phone activation.
al
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