> First step
Click on the market icon on top.
 
> Second step
From the "market" menu in the toolbar select "buy":
Note that you can buy Store horses or Rescued horses

  • Store horses are horses that are 2 game years old, have 0 experience points, and their ancestry is unknown.
    If you are a new player, you probably want to start by buying a store horse.
  • Rescued horses are horses that have been sold by other players to the market, or have been rescued from owners that were not taking care of them.
 
> Third step
If you chose to buy store horses:.
Select the breed, gender and traits of the horse and click on buy this horse
If you chose to buy rescued horses:.
Select one or more horses by checking the checkboxes under the "Buy" column. When you are done click on Buy