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

Get the steps for how to verify an email address in your Microsoft account.

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software.. Choose a language, and then select Install.. When prompted, select Run.. Select Yes to allow the app to make changes to your device.. The installation may take several minutes, depending on your Internet speed.

Learn how to set up a connection to a proxy server on your Windows PC.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.