WiFi 7 (IEEE 802.11be) marks a major leap in wireless networking, offering unprecedented speed, ultra-low latency, and enhanced reliability. This article traces the evolution from WiFi 1 to WiFi 7 and explores the groundbreaking innovations powering this latest generation, such as ultra-wide 320MHz channels, Multi-Link Operation (MLO), advanced 4096-QAM modulation, and smarter spectrum management.