Sims 3 House with CC
@addalily I just downloaded and tested the house, and I didn't see any custom content either. The only installed item in the launcher is the build itself. Plus, there's only a single file in the DCBackup folder, where there should be one per item installed. I also checked in-game for build/buy custom or store items (sometimes cc shows up as store stuff), and nothing appeared in any of the categories.
It may be that people need to download the cc separately to have it appear. However, I didn't get a missing items notice when I placed the house and went to build on it, although that message may only appear when loading a save rather than messing around in Edit Town. (At least, that's the only time I've seen it.) It's possible that the creator inadvertently left out the cc, perhaps by clearing out DCBackup before exporting the build.
Point is, you're correct, it's not you, it's the build, or at least it's the build in macOS. I can test in Windows later, if you want, but I suspect I'll see the same thing.
