1. First open the Sims and enter the game page. Left click on the construction mode to enter the purchase page.

2. Secondly, click to distinguish items by room. Then click on the study, which is an icon of a bookshelf. Find the desks and chairs in the study and turn them on.

3. Then, in the table and chair list, find your favorite table and chair to buy.

Finally, you can successfully buy furniture through the above steps.