Downloading "cracked" versions of —versions modified to bypass official licensing—is generally considered a violation of the Minecraft End User License Agreement (EULA) and may expose your device to security risks like malware or spyware.
: Widely considered the most popular cracked launcher. It has a built-in version selector that makes downloading version 1.7.10 (and its Forge/OptiFine variants) a single-click process. SKLauncher Minecraft 1.7.10 Launcher Cracked Download
While downloading a cracked launcher may seem like an attractive option, there are several risks involved: Launch and Play: Click launch