Since these are one way hash algorithms we cannot directly decrypt the hash to get back the original password. Windows encrypts the login password using LM or NTLM hash algorithm. It can quickly recover the original windows password from either LM or NTLM Hash. Windows Password Kracker is a free software to recover the lost or forgotten Windows password.
Net Share Monitor: Network Shared File Monitoring Software Hash Kracker: All-in-one Free Hash Password Recovery Tool Windows Password Recovery Tools & Techniques Windows Vault Password Decryptor - Recover Passwords from Windows Credential Manager