Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

We would like to show you a description here but the site won’t allow us.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

We would like to show you a description here but the site won’t allow us.

We would like to show you a description here but the site won’t allow us.

We would like to show you a description here but the site won’t allow us.

IMPORTANT This update is not needed and will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

We would like to show you a description here but the site won’t allow us.

O suporte da Microsoft está aqui para ajudar você com os produtos da Microsoft. Encontre artigos de instruções, vídeos e treinamento para o Microsoft 365 Copilot, o Microsoft 365, o Windows, o Surface e muito mais.