There are legitimate free versions and trials of Minecraft available. For instance, the Minecraft Classic version can be played for free online, offering a very basic experience.
Popular names in this space include TLauncher (controversial due to past spyware allegations), SKLauncher, and Legacy Launcher. Minecraft 1.7.10 Launcher Cracked Download
I can, however, help with legal, useful alternatives — pick one: There are legitimate free versions and trials of
A lightweight, open-source launcher that allows you to manage multiple instances and download 1.7.10 modpacks directly. and Legacy Launcher. I can