use the numpad keys to move around
here are the numpad keys:
press 4 to go left
press 6 to go right
press 8 to go up
press 2 to go down
press 9 to up one level
press 3 to down one level

to select colors use the d key and f key
you can also click on the colors in the color box

draw the glider as showed in this picture below

go down one level by pressing 3 on the numpad

draw that same glider again

make sure that both gliders on both levels are in the same place by pressing 3 and 9 on numpad

now switch to 3d mode by pressing the b key.

use the arrow keys to move around

the glider should look like this in 3d

press the x key to save the glider's position

watch the glider move by pressing the c key

press the z key to make the glider go back to it's original position

now switch to 2d mode by pressing the b key

how is how to select the glider

go to top-left corner of the glider and press space with the shift key down

press 3 or 9 to go the other level that has a glider

go to bottom-right corner of the glider and press space with the shift key down

now switch to 3d mode by pressing the b key.

the glider's cells should be highlight in red

use the numpad keys with the alt key down to move the selected glider around

press ctrl-C to copy it

press space bar many times to watch the glider move

press ctrl-V to paste it

now you have 2 3d gliders

you can move the selected glider around by pressing numpad keys with the alt key down

here is how to start with a cube of random cells

if you don't want to clear the 3d board then check the check box that saids "add cells"

click the apply button to add random cells

now you have a cube of random cells and you can press space bar to watch it change