How to unlock windows admin password

Dear Support,
Please tell me how to unlock the password of administrator in windows 8.1
Ashok Marodia
9873506200

Method 1: Recover Windows 8.1 Administrator Password with Third-party Software
1. Download and install Windows Password Recovery Tool Ultimate on a workable computer and launch it.
2. Insert a blank CD/DVD or USB Flash Drive to the workable computer; choose a way to burn a password reset disk. 
3. Insert the created reset disk into the locked computer and restart the locked computer, then you need to set BIOS to boot the computer from the disk. If your computer with Windows 8.1 preinstalled uses UEFI, you should disable UEFI Secure Boot firstly.
4. On the showed program after several steps, you can see a list of accounts, choose the administrator account and follow instructions remained.
Method 2: Recover Windows 8.1 Admin Password by Password Reset Disk Created before
1. Sign in Windows 8.1 with a wrong password, then under the password box will appear the option of "Reset password". Click it.
2. After that, the password reset wizard shows. Insert the password reset disk into the computer.
3. Follow instructions on the reset wizard to change or reset your login password.
Method 3: Recover Windows 8.1 Admin Password with a Super Administrator Account
There is a built-in Administrator account in Windows 8.1 which has no password. It is different from a normal administrator account and has super privileges over other accounts. If the super account has been enabled before you lost password, you can use it
to crack Windows 8.1 administrator password or just remove it. Here are detailed steps:
Note: this method can be only used when you have enabled the super administrator account. As the built-in administrator account is usually turned off, you can go back to Windows Password Recovery Tool for Windows 8.1 admin password recovery.
1. After you start your PC, you will see a list of accounts on the computer; choose the super administrator account to log into your computer.
2. Now you can change or remove Windows 8.1 administrator password from "Start-> Control Panel-> User Accounts->Sign-in Options" easily.

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