Installing these is simple and won't break your save files, as they are visual "overrides".

to your Mods folder: Documents > Electronic Arts > The Sims 4 > Mods .

: Specializes in high-definition (HD) and "Legacy" style map overrides that give a more realistic or classic feel to the game worlds. Check out his work on the FilipeSims Patreon .

: In your game settings under "Other," ensure "Enable Custom Content and Mods" is checked. Restart your game to see your beautiful new world view.