How can I crack or hack a Windows user password? For security reasons, Windows passwords are not stored as plain text and they are encrypted by irreversible hash algorithm. If you want to obtain a lost Windows password, you have to extract the NTLM password hashes from the SAM (Security Account Manager) file and use password hacking tool to crack them.
LCP is one of the most effective password auditing and recovery tools that can crack Windows password using a dictionary attack, brute force attack, or a hybrid attack. This step-by-step tutorial will walk you through how to crack Windows 10 / 8 / 7 password using the free LCP password cracking tool.
How to Crack Windows 10 / 8 / 7 Password with LCP
- To start, download the portable version (about 1.86 Mb) of LCP and unzip it.
Open up the LCP program and click the Import menu. It allows you to import from a local computer, remote computer, SAM file, .LC file, LCS file, PwDump file, and Sniff file.
If you're locked out of Windows, you have to extract the SAM file or password hashes by booting your PC from a Live CD. The SAM file is usually located under C:/Windows/System32/Config.
If you've selected the "Import from SAM File" option, you'll be prompted to locate the SAM file for your target system. Uncheck the "Additional encryption is used" option and click OK.
The program will display the user names and password hashes extracted from your SAM file. Now, you can click the Arrow button in the toolbar to begin cracking.
When a password is found, it will be displayed under the NT Password column.
- Write down the password for your user accounts. Reboot into Windows, and log in with the newly found password. That's all there is to it.
Depend on the strength of your Windows password, it could take days, weeks or even months to crack a password with LCP. If you can't get it t work, you can try the WindowsUnlocker Live CD that can remove your forgotten Windows 10/8/7 password in no time.