You need at least 5 GB of space for a bootable USB flash drive or a Dual Layer (DL) DVD if burning to a disc. Architecture:
Install Build 14393, then immediately use the Windows10UpdateAssistant to upgrade to the final version (22H2). This gives you the base file structure of 1607 but the security of 2025.
After downloading, open PowerShell and run Get-FileHash C:\path\to\your.iso . If the hash matches the one above, you have a legitimate, untouched "hot" copy.