Organize your ideas. Collections help you keep track of your ideas on the web - shopping, planning a trip, research, or just want to pick up where you left off.

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.

Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a refund.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.

On the settings page for that app, change the setting for Let this app run in the background.Here’s a summary of each option: Always.The app is always allowed to run in the background—receive info, send notifications, and stay up to date—even when you’re not actively using it.

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

Turn on Find my device. When you set up a new device, you can decide whether to turn on or turn off the Find my device setting. If you turned it off during setup and now want to turn it on, make sure your Windows device is connected to the internet, has enough battery power so it can send its location, and that you're signed in to the device using your Microsoft account.

若要访问登录选项，请依次转到“开始” > “设置” > “帐户” > “登录选项”。 或者直接单击此按钮： 转到“登录选项” 更改或管理密码或 PIN. 若要更改密码或 PIN，请转到“开始 > 设置> 帐户 ”> 登录选项。. 选择“PIN (Windows Hello)”，然后选择“更改 PIN”。

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.