No.. I'm not sure about free admission u should check out there website are give them a call..
You should make a reservation online or buy the tickets at the installation. The museum is not free.
FREE FRIDAY INFORMATION: Doors will open promptly at 5:00 pm, Last entry to the Museum is at 8:30 pm. All visitors must enter through the Welcome Center to receive a ticket prior to entering the Museum. Entry is not guaranteed and is subject to capacity. Doors may close earlier. Different areas of the museum may close earlier than 9:00pm or will be closed during Free Fridays.
I think it is only once a month, check their website for more information
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