The installers were great, they cleaned off fingerprints on both sides of the glass.
https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2kxelNEYzFSVE5JVVdaaGEyRk9jM0l5UkVKeVVWRRAB!2m1!1s0x0:0xa4025173f5a06d48!3m1!1s2@1:CAIQACodChtycF9oOi1zSDc1RTNIUWZha2FOc3IyREJyUVE%7C0c_a6LWGlA_%7C?hl=en-US&source=sh%2Fx%2Fkp%2Flocal%2Fm1%2F0&kgs=7aa1564ec0192a58
Be prepared to spend a lot of time cleaning the gunk off the windows.