If you want to expand your family tree by adding grandparents on both your maternal and paternal sides, begin by ensuring that both of your parents have already been added to the tree. From there, select each parent individually and use the option to add their parents, which will create your maternal and paternal grandparents without affecting the existing family structure. This approach keeps relationships accurate and makes it easy to continue adding great-grandparents and earlier generations as your research grows. If you need step-by-step instructions or have questions about managing more complex family relationships.