This has a bit of lenght to it while i cover most button presses along the way and explain more in detail on how to make Ice-text in blender. In this tutorial we're making a scene from scratch using simple techniques to acheive a icy looking  text, we'll make som ice-cubes and som bubbles aswell for scene decoration.

If you're intermediate at blender heres a couple of "shortcuts" to jump to in the video:
Intro (0:00)
Add Text: (2:36)
Text to mesh: (5:23)
Remesh: (6:16)
Proportional editing: (7:18)
Backdrop: (8:58)
Light setup: (11:55)
Ice Material: (12:53)
Ice cube modeling: (14:59)
Setting up the scene: (18:00)
World texture: (21:02)
Render settings: (25:26)
Finished result: (27:51)