: The most comprehensive source, listing versions from 1.15.2 up to 1.18.2. Use the Einstein's Library Files page to find the specific version matching your Minecraft installation.
Einstein's Library is a foundational dependency mod primarily used for Minecraft versions 1.15.2 through 1.18.2. It is required for several other mods to function, most notably those created by the developer "MincraftEinstein". Where to Download
Are you trying to install a that requires Einstein's Library as a dependency? Einstein's Library - Files - Minecraft Mods - CurseForge
You can download the .jar file from these official modding platforms:
Locate your Minecraft installation folder (usually %appdata%\.minecraft on Windows). Open the mods folder.