Here is the Json file that allows you to create the Bosmer female in the video. It is based on RaceMenu Utilities and was created based on the following mods:
RaceMenu Utilities
https://www.nexusmods.com/oblivionremastered/mods/1458
Izzli's Clear Complexions
https://www.nexusmods.com/oblivionremastered/mods/2346
Realistic High Quality Skin
https://www.nexusmods.com/oblivionremastered/mods/1284
To apply the Json file, download the file, open the console in-game and type rmu load ar2. This file should be located in the preset folder in the RaceMenu Utilities folder.
I. Link