clean surface
line up sticker using level or measuring tape.
using masking tape or blue painter's tape, secure vinyl by taping the top corners
using masking tape or blue painter's tape tape exactly in the middle with tape running vertically top to bottom and securing vinyl to window
peel tape off one side and fold back to center tape
peel backer off holding tape against wall
take pair of scissors and cut release liner
keeping straight and tight put vinyl against wall
squeegee vertically from middle out: middle to beyond top edge, middle to below bottom edge, then move to the left/right and repeat
after you finish first half of sign do the same on the other side
if it is cold get the outside (not the part against the window) wet with soapy water so it adheres better
peel tape off vertically. Go slow.