You download the house, unzipp it and place the unzipped filew into the Tray Folder

1 - Go to your gallery & select: "My Library".
2 - Click on my lot and click the icon in the lower right corner to place it where desired or advised.
3 - Select between furnished or unfurnished, depending on how you want the lot ingame.

IF my house is built with custom content, you have to tick the box in the left segment, so files with CC will appear in your gallery instead of the basegame ones only. (Advanced options)

YOUR GAME MUST BE UPDATED! (MY GAME IS ALWAYS UP-TO-DATE and tested in game)

Lot files: Documents > Electronics Arts --> The Sims 4 --> Tray folder

If the house contains CC, put the CC here (lot itself is placed like in the upper description): Documents --> Electronic Arts --> The Sims 4 --> Mods folder.

Use the cheat: bb.moveobjects - before placing the lot
(hold CTRL and Shift, then press C)

See you around 😉