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

Update Microsoft Store. Select Start, then from the apps list, select Microsoft Store.In Microsoft Store, select Library > Get updates.If an update for Microsoft Store is available, it will start installing automatically.

Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

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

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.