Answer
The IUPAC name of the compound is 2,4-Dimethylhexane
Work Step by Step
Look for the longest carbon chain in the compound and number it and name it. Also assign numbers/locants to the substituents to indicate their points of attachment to the parent chain.
In this case, the longest carbon chain has 6 carbon atoms and at positions 2 and 4, two methyl groups are attached as substituents.