You use your mouse to look around and break/place blocks. Go to your settings and keyboard and mouse controls, there should be an option that says, "Enable Keyboard controls, " Or something like that, select it on or off.
You use your mouse to look around and break/place blocks. Go to your settings and keyboard and mouse controls, there should be an option that says, "Enable Keyboard controls, " Or something like that, select it on or off.