A password reset disk is a physical disk or USB flash drive that contains a special file used to reset a Windows password. If you've forgotten your Windows password and can't log into your PC, a password reset disk is the easiest way to regain access to your account.If you've created a password reset disk in the past, you can use it to reset your password. If you don't have a password reset disk and you're the administrator of the PC, you can use a command prompt to reset your password. However, if you're not the administrator or if you don't have a password reset disk, you'll need to use a third-party utility such as Kon-Boot to bypass the password and log into Windows.To use a password reset disk to regain access to your account:1. Insert the password reset disk into the PC.2. On the sign-in screen, click I forgot my password.3. Enter the email address, phone number, or username associated with your account, then click Next.4. Select the password reset disk from the list of available drives, then click Next.5. Enter a new password, then click Next.6. Enter the new password again to confirm it, then click Finish.If you don't have a password reset disk and you're the administrator of the PC, you can use a command prompt to reset your password. To do so:1. Open the Command Prompt as an administrator. To do so, type cmd in the search bar, then right-click Command Prompt and select Run as administrator.2. Type net user username password, then press Enter. Be sure to replace username with your username and password with a new password.3. Type exit, then press Enter to close the Command Prompt.If you're not the administrator or if you don't have a password reset disk, you'll need to use a third-party utility such as Kon-Boot to bypass the password and log into Windows. Kon-Boot is a utility that allows you to log into Windows without knowing the password.To use Kon-Boot to log into Windows:1. Download the Kon-Boot utility from the developer's website.2. Extract the contents of the ZIP file to a USB flash drive.3. Plug the USB flash drive into the PC.4. Boot the PC from the USB flash drive. To do so, you may need to change the boot order in the BIOS.5. Kon-Boot will load and you'll be able to log into Windows without a password.Kon-Boot is the best solution to use when you need to log into Windows without a password. It's a quick and easy way to bypass the password and gain access to your account.