
Happy Birthday is a family pose pack centered on celebrating a teenager’s birthday with parents, siblings, and friends. The set includes 5 poses, perfect for family milestones, teen birthday stories, or memory-style albums in your save file. You’ll need the following for these poses to work in your game: RELATED POST: 29+ Best Sims 4 Family Poses CC to Capture Perfect Moments
Follow these steps to install Happy Birthday on your Sims 4 game:
Download the mod file from the link above. Sims 4 mods typically come as .package or .ts4script files.
Open your Sims 4 Mods folder. The default location is: Documents/Electronic Arts/The Sims 4/Mods
Place the downloaded file directly into the Mods folder. You can organize mods into subfolders up to one level deep.
Launch The Sims 4 and go to Game Options > Other. Make sure "Enable Custom Content and Mods" is checked.
Restart the game if it was already running. The mod should now appear in your game.
Important: Always back up your save files before installing new mods. After Sims 4 updates, mods may need to be re-downloaded or updated by the creator.
Platform
The Sims 4 (PC/Mac)
Pro tip: If a mod stops working after a game update, check the creator's page for an updated version. Broken mods can cause the game to behave unexpectedly.
Created by
Beto_ae0
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Published
May 25, 2026
Source
MustHaveMods.com
Last Updated
August 9, 2026