Codename of Windows XP Operating System
This page is the CodyCross answer for the clue below from Popcorn Time, Group 397, Puzzle 1 (Multiplexes).
Question
Codename of Windows XP Operating System
Answer
WHISTLER
Word Meaning:
WHISTLER — Someone or something that whistles, or who plays a whistle as a musical instrument.
Definitions from Wiktionary.