February 9, 2021—KB4601315 (OS Build 18363.1377) - EXPIRED

February 9, 2021—KB4601315 OS Build 18363.1377 - EXPIRED NEW 8/5/21 EXPIRATION NOTICEIMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality...