The Slider Layout block is fully pro block. So there is no free feature here.
Step 1: First click the plush icon from the top bar to select the Slider Layout Block.
Or Type / to choose the List Layout Block
Step 2: To create a Slider layout first, need to use the Slider Layout block from the left sidebar lists. Please see the below screenshot.
Step 3: Now choose the layout from [ Content > Layout ] of the Right Sidebar from the editor panel. There is no free layout here. All are pro layouts.