This Function uses Skip to get all but the first 4 elements of the array.
public void SkipExample()
{
int[] numbers = { 4, 23, 4, 5, 7, 8, 9, 12, 23, 45 };
var Numbers = numbers.Skip(4);
Console.WriteLine("All but first 4 numbers:");
foreach (var n in Numbers)
{
Console.WriteLine(n);
}
}