Step 7 Make Top Layer 4 Corner Pieces

Insert the Edges to complete the First Layer

Step 7 Result should be:

4 corners Should Contain the Adjacent Center Piece Colours, but not necessary oriented correctly

Eg: Here the first edge colours are Red, Green and Yellow which is matching Red and Green Center Piece

Step 7.1

Check if any of the corners are in the correct place. In the above example, the corner with Red, Green and Yellow is in the right place, but others are not.

Step 7.2

Tip: Sometime there might be no corners matching. In that case just do a (U R Ui Li U Ri Ui L ) which will make atlaeast 1 correct corner

Step 7 Result:

Step 7 is done. Now move to Step 8