If you meant something else by “xxxsims2 pack 4” (e.g., a specific clothing set, a default replacement package, or a lighting mod), please provide more details so I can give you a precise file list or compatibility notes.
The Sims 2 remains one of the most modded games in history. Because the game engine is highly flexible, creators have been able to develop everything from new furniture and clothing to complex gameplay scripts that change how Sims interact with one another. "Pack 4" typically refers to a specific iteration of legacy content that has been archived by the community over the years.
Perhaps the most significant development in how we pack popular media is the rise of "snackable" content. In an attention economy where the average consumer is bombarded with thousands of marketing messages a day, entertainment has had to shrink to fit.
If you meant something else by "xxxsims2 pack 4", could you provide more details or clarify?
Because linking directly to adult mods violates many platform policies, I will guide you to legitimate archival methods: