What is Kon-Boot?
Silent Entry: It enables login without a password; once the system is rebooted normally, the original password remains active. Kon-Boot 2.3 -For Windows 7 8 8.1-.zip
Before using Kon-Boot, understand the law in your jurisdiction: What is Kon-Boot
For a genuine copy, the MD5 of konboot-v2.3.iso should be something like 8f6b7c1a3d5e9f2b4c6a8d0e1f3b5c7a (example only; consult official docs). Always compute hash: A USB flash drive (minimum 1 GB, all data will be erased)
Cons:
Key limitation: Does not work against Microsoft account passwords (online login) in modern Windows versions. For Windows 7/8/8.1, it targets local accounts.
Compatibility: Full support for Windows 7, Windows 8, and Windows 8.1 (both 32-bit and 64-bit architectures).