Condensation on new windows

Water forming on new windows is because one of several things is happening. The temperature of the inner glass surface is at or below the dew point for the amount of humidity in your inside air. The humidity of your indoor air is quite possibly much higher now with your new windows because the air leaks around your old windows were eliminated once the new windows were installed.
Several conditions can increase condensation problems. If you close drapes over windows, this can cause the glass temperature and the temperature of the air between the drape and the glass to become cooler, making condensation more likely. If the thermostat setting is dropped substantially at night, this will cause an increase in relative humidity and may increase condensation. This condensation should vanish once the temperature rises in the morning.
The best way to deal with condensation on high-quality, double-glazed windows is to reduce indoor relative humidity to no more the 40 percent. You can do this by using kitchen or bath exhaust fans until condensation disappears. The fans will be more effective if you open a window elsewhere in the house to provide replacement air. Be sure that the fans you use exhaust to the outside, instead of going to the attic or just recirculating air within the house.