Origin will automagically decide which version of The Sims 4 to load once this patch is released – presumably some time in December before the release of the Get Together expansion pack.
Repairman Added in The Sims 4 Game Update
Sims 4 'Anniversary' Update Re-Introduces Content from Previous Games
The Sims 4 December Update – New Careers, Cheats & Gameplay Improvements
The Sims 4 Patch Adds Genealogy & Valentine's Day Content
The Sims 4 Game Update Adds Half-Walls and Lockable Doors