Birch Stairs is a block that allows mobs and players to change elevation without jumping.
To make Birch Stairs, you will need just two things Birch Tree Logs and Birch Tree Planks. Please follow the following steps to make Birch Stairs.
Birch Tree Logs
In order to make Birch Stairs, the first item you need to get is Birch tree log. You will find Birch trees near the jungle. Use your iron axe to get at least 2 pieces of Birch tree logs.
Birch Tree Planks
Then you have to make planks of Birch wood. Make your way to the crafting table and open up the 3*3 crafting grid. Place 2 Birch logs at the center of the grid and you will get 8 Birch wood planks. Add these Birch planks into inventory.
Now you can craft Birch Stairs. Place Birch wood planks on 3*3 crafting grid in the same way as the picture below. You will get Birch stairs, always remember to bring this into your inventory.