Setup the game as normal, by adding your age, your Gmail account to save and sync your game data.On the App Center you can find more apps and games to download if you desire. You can also find it in Bluestacks, in the My apps tab. The Bluestacks App Player will automatically create a shortcut of The Sims to your Desktop and Start menu, so you can run it directly from there.
Click Install and then click Open when it's done. If not, click on the Search bar and type The Sims Freeplay. The first run of the app might take a couple of minutes depending on your hardware specifications. You will also see the software's icon on the Start menu and on your Desktop. The Install now button might take some time to show up as the installer files need a bit of time to be extracted. Open the Bluestacks Installer executable file when it's done and click Install now.