Upgrade your RAM for an instant increase in speed.
Use your thumbs to push the two battery retaining tabs away from the battery.
The battery should pop up enough to rotate it toward yourself and lift it out of the lower case.
Remove the three 2.3 mm Phillips screws securing the memory cover to the lower case.
Lift the memory cover slightly and pull it toward yourself to remove it from the lower case.
Use your fingertips to pull the two RAM arms away from the sides of the RAM chip. The chip should pop up slightly.
Pull the RAM chip away from its socket and remove it from the logic board.