
- Keep WHITE on top
- Put the GREEN centre piece in front (facing you)
- Find the GREEN/WHITE/RED corner (it has 3 colours) and place it in one of the positions below (without disturbing the white cross)
- Choose from the steps below to place the GREEN/WHITE/RED corner piece in place without disturbing the white cross.

Possible Problem:
The corner you are looking for is in the top layer, but in the wrong position or turned the wrong way around. Turn the cube so that the corner is in the front right top corner then move the corner to the bottom layer by following the following steps.
Solution:

Perform these steps , then choose again from steps above to put the corner in place
Keeping white on top, turn the cube so that a different colour face is toward you. Follow the above instructions again. Repeat with the other two faces until the white cross is complete.