Ive installed a lot of window films, the trick is lots water in a very fine mist.
I got a specialty mister that works great for this! I got the alpree continous spray mist bottle $9.99 its awesome!
Red And White Stripe Room Darkening Window Curtains With Grommet Top - Set Of 2 Panels, Each 52"X84" - DriftAway Mia Stripe Collection
52 Review
Coavas Blackout Window Film No Glue 100% Light Blocking For Day Sleep, Privacy Static Cling For Home Security And Aquarium, Frosted Black 35.6 X 118 Inches
41 Review
LUCKUP 100% Blackout Waterproof Fabric Window Roller Shades Blind, Thermal Insulated,UV Protection,For Bedrooms,Living Room,Bathroom,The Office, Easy To Install 20" W X 79" L(Grey)
46 Review
Enhance Your Privacy And Comfort With Our Window Film β Stained Glass Door Film, Anti-UV & Heat Control, Perfect For Office And Home
43 Review
Add A Touch Of Elegance With Windiy'S 5.9' Artificial Willow Vines And Eucalyptus Garland - Perfect For Weddings And Home Decor
34 Review
24PCS BigOtters Artificial Lemon Slices - 2 Inch Assorted Colors Fake Fruits For Themed Party Decor, Kitchen Table Centerpiece & Crafts Projects
34 Review
Black Rose Garden Arch By Gardman R350 - 75 Inches Tall, 39 Inches Wide And 19 Inches Deep
41 Review
White Metal Wedding Arch With Climbing Plants Decoration, Perfect For Garden Bridal Parties - Adorox 7.5Ft Arbor Set
45 Review