Dell says enterprises are upgrading to Windows 11 far more slowly than expected, forcing the PC maker to predict flat business PC sales despite millions of aging machines becoming incompatible.
Windows 10 reached its official end of support in October 2025, yet more than 41 percent of Windows users still rely on it. Strict Windows 11 hardware requirements, enterprise delays, and long-term familiarity have slowed the shift, leaving millions exposed to unpatched security risks.


