Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

Learn more about what background apps are in Windows and how to turn them off when you're not using them.

Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

O aplicativo Verificação de integridade do PC traz informações atualizadas sobre o seu dispositivo Windows, ajudando você a tomar medidas para melhorar o desempenho do dispositivo e solucionar problemas de desempenho.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.