Find your product key in the confirmation email you received after buying Windows 10 or Windows 11 in a digital locker accessible through the retailer’s website. The product key is in the confirmation email you received after buying your digital copy of Windows.

When you buy a refurbished device running Windows 10, you'll need to activate Windows using the product key on the Certificate of Authenticity (COA) that's attached to your device. If your original hardware manufacturer (OEM) changed the motherboard for you, your PC should reactivate automatically.

If you want to change your PIN, or need to reset it, you have different options. If you forgot your PIN and need to reset it, you can do so from the Windows sign-in screen. Look below the PIN text box: If the option I forgot my PIN is available, select it and follow the instructions to reset your PIN.

Can't find the Recycle Bin on your Windows device? Whether it's hidden or missing after an update, this article will help you quickly locate and restore it. If your desktop doesn't show any icons, right-click (or press and hold on a touch device) on the desktop and select View. Ensure that Show desktop icons is checked. If not, select it.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found.

To access the code, you'll need a tool for reading MSI files—which is typically available to IT professionals. You'll find the product code in the property table of the MSI file. The troubleshooter helps fix problems that: Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data.

Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

When you install Office 2010, you'll be prompted to enter a 25-character product key that looks something like this: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. How to find your product key. The way you can find your product key depends on how you got Office. Select how you got Office from the options below.

Windows updates released on and after February 13, 2024 include the ability to apply the Windows UEFI CA 2023 certificate to UEFI Secure Boot Allowed Signature Database (DB). Updating the DB will enable devices to receive future boot loader updates that are included in monthly updates.

Discusses how to troubleshoot problems that occur when you try to access or work with files and folders in Windows.