window-shopping

/W IH1 N D OW0 SH AA0 P IH0 NG/
verb
  1. 1

    To engage in window-shopping; to browse the windows of shops with no intention of buying anything.

noun
  1. 1

    The browsing of shop windows without any intention of buying.

Source: https://en.wiktionary.org/wiki/window-shop, https://en.wiktionary.org/wiki/window-shopping