Condensation can be an issue with your windows if the seal is bad. Other reasons may also point to why you are seeing condensation on your windows.
Of course, a cracked seam would need to be fixed in order to keep moisture out of your home, sometimes the moisture can be coming from inside. Cooking, showers or boiling water for long periods of time will cause condensation on your windows. If you have a lot of plants in your home for instance. Sometimes there isn’t any problem with your window at all. But if the case does arise, a seal repair or upgrade to double or triple pane windows can be an option.