Learn about User Account Control settings in Windows. Move the slider to select how much you want User Account Control to protect you from potentially harmful changes.

This page helps you with how to use Microsoft Traditional Chinese IME including IME features and keyboard shortcuts.

Change or delete a header or footer from another single page. To delete or change headers and footers on individual pages within a document, start by inserting a section break.

Learn how Smart charging in Windows can help your battery last longer over time.

The Calculator app for Windows is a touch-friendly version of the desktop calculator in previous versions of Windows. You can open multiple calculators at the same time in resizable windows on the desktop and switch between Standard, Scientific, Graphing, Programmer, Date calculation, and Converter modes.. To get started, select the Start button, and then select Calculator in the list of apps.

How to use the COUNTIFS function in Excel to apply criteria to cells, across multiple ranges, and count the number of times all criteria are met.

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

Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

Your desktop icons may be hidden. To view them, right-click the desktop, select View, and then select Show desktop icons.To add icons to your desktop such as This PC, Recycle Bin and more: