Once you run the downloaded bootstrapper, follow these steps to create your offline installer: Choose Installation Type "Download Media" Select Language and Format : English (or your preference). Package Type for a single disk image file or for a compressed set of files. Download Location
The most reliable method involves the Microsoft Evaluation Center or the Visual Studio Dev Essentials portal.
Select Installation from the left-hand menu, then click New SQL Server stand-alone installation .
This entire folder or ISO is your portable, offline installer.
Download SQL Server 2022 Developer Edition Offline Installer