Thanks to the Windows 11 installation DVD, you will be able to upgrade your computer from Windows 10 to Windows 11 without Internet.
Getting ready for the Windows 11 upgrade - Microsoft Support
How to Install Windows 11 With Microsoft's Media Creation Tool
Check Here! Windows 10 to Windows 11 Upgrade
Upgrading from Windows 10 to Windows 11: Step-by-step
How to Install Windows 11 With Microsoft's Media Creation Tool
Upgrading from Windows 10 to Windows 11: Step-by-step
How to Upgrade to Windows 11
Install Windows 11 on a computer with compatible hardware - Windows - Tutorials - InformatiWeb
How to install the Windows 11 upgrade - IONOS
Upgrade your computer on Windows 7 to Windows 8 or 8.1 - Page 2 - Windows - Tutorials - InformatiWeb