Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.

Download and install Skype for Business on your PC. Sign in to and out of Skype for Business. Set up an audio device for Skype for Business. Set up and troubleshoot Skype for Business video

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.

In the Background apps permissions section, under Let this app run in the background, select one of the following options: Always—The app runs in the background, receiving info, sending notifications, and staying up-to-date even when you're not actively using it.This option may use more power.

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

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

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

Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads the screenshot to the Feedback tab. Follow the on-screen instructions to detail the problem you've encountered.