
According to Statcounter’s September 2025 data, the long-retired Windows 7 just pulled off one of the strangest comebacks in tech history. Despite being officially unsupported since January 2020, the operating system’s global market share jumped from 3.59 percent in August to 9.61 percent in September. Meanwhile, Windows 10 saw a significant drop from 45.53 percent to 40.5 percent, while Windows 11 dipped only slightly from 49.08 percent to 48.94 percent.
The most dramatic shifts occurred in Asia, where Windows 7’s usage skyrocketed from 5.64 percent to 18.67 percent in a single month—a stunning tripling of share. Before that, it had been languishing at just 2.32 percent in July. The sudden surge has baffled analysts, especially since Windows 7 no longer receives security patches or compatibility updates, making it an unsafe choice for modern computing.
While some might suspect a wave of retro computing enthusiasm or renewed use in budget-constrained regions, experts believe the simplest explanation may be a statistical or reporting anomaly. Measurement inconsistencies, VPN routing quirks, or newly detected devices could easily distort the numbers. After all, similar “ghost spikes” have appeared before in other tracking datasets, only to normalize the following month.
Whether it’s a fluke or a sign of legacy systems quietly resurfacing, this unexpected spike is a reminder of just how deeply Windows 7 embedded itself in the computing world. Even five years after its final patch, its legacy continues to leave a measurable mark—if not a completely explainable one.

