Tired of the outfit you created your Sim with? Good news! You can head to a store and purchase a new one. Select browse at the clothing rack, a menu will come up showing what outfits are available from that rack, select the one that catches your eye and choose to either try on or purchase. You can see what outfits you have, as well as change clothes from any dresser.
To begin browsing the clothing racks, select a category from below and click the thumbnail of the outfit you want to preview.