This build is almost untouched - in fact, even OneDrive is kept - and adds about 30 themes.
Since this is my first Windows 11 25H2 mod I decided to celebrate by adding it black cat wallpapers, just like on my main PC!
Updates are fully supported...

Build Info
OS: Windows 11 Pro 25H2[Insider Dev Build]
Build: 26200.5670
ISO Size: 5.13 GB
Install size: 14GB
Compression: ESD
Language: English
Treatment: Script in "Extras"

Added
Only StartAllBack and Extras

HOMEPAGE:

https://www.microsoft.com

https://rapidgator.net/file/efa0e3f9e44ba9e72e7996ea971c2152/Extreme.11.25H2.26200.5670..part1.rar
https://rapidgator.net/file/a48afc91fcbee2d219c9c6aeb57bd058/Extreme.11.25H2.26200.5670..part2.rar
https://rapidgator.net/file/18d64059168f74682d08d5dbf7c687ea/Extreme.11.25H2.26200.5670..part3.rar
https://rapidgator.net/file/34009d43938fa90a7bdca3a2c03eb865/Extreme.11.25H2.26200.5670..part4.rar
https://rapidgator.net/file/24d9de4a73e761ad4b9b2c9341d5469c/Extreme.11.25H2.26200.5670..part5.rar
https://rapidgator.net/file/d605c50566a89b50a81ac40e840e5ed6/Extreme.11.25H2.26200.5670..part6.rar

https://nitroflare.com/view/BC5A70FC8B91175/Extreme.11.25H2.26200.5670..part1.rar
https://nitroflare.com/view/C791CCD2849D99A/Extreme.11.25H2.26200.5670..part2.rar
https://nitroflare.com/view/183CB1BB185AC1E/Extreme.11.25H2.26200.5670..part3.rar
https://nitroflare.com/view/FBEE7424DC91E57/Extreme.11.25H2.26200.5670..part4.rar
https://nitroflare.com/view/A974747B0905329/Extreme.11.25H2.26200.5670..part5.rar
https://nitroflare.com/view/B6607EBABB4D05F/Extreme.11.25H2.26200.5670..part6.rar