Official versions of these "All In One" packages do exist from Microsoft; they are always created by third parties.
You build the ISO yourself using official Microsoft tools and Open Source utilities. This takes 2 hours but ensures zero malware.
Vanilla Windows 7 does not boot on modern hardware (Intel 7th gen+ or AMD Ryzen). A proper Jan 2024 AIO includes community or vendor-sourced backported drivers to allow Windows 7 installation on NVMe SSDs and USB 3.0 ports.
