Here's what those enrolled in the Windows 10 Extended Security Updates program need to know about each monthly security update. Now updated for KB5077796 Out-of-band, released on Jan. 17, 2026.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...