Where is the text? It is in the upper-left side corner of the screen
How can I change the font size?Click on the Text Layer and while you keep the left mouse button down, scroll the mousewheel up or down to make the font bigger or smaller
How can I rotate the textClick on the Text Layer and while you hold the right mouse button down, scroll the mouswheel up or down to rotate the text to the left or to the right.
How can I delete the text Just double click on the Layer.