realms folder: Contains the textures and language files used by Realms.

mcassetsroot: Used for identifying vanilla resources.

Resource pack files: Contents that are in the vanilla resource pack, located in the assets directory.

The META-INF directory: contains meta information about the game files.

However, they can still be disassembled to understand their functionality.

These files (classes) have names such as 'acq' or 'qn' because they have been run through an obfuscation tool to hide the names of methods, variables and classes.

Class files: compiled Java code that Minecraft uses for program logic.

In client.jar many files can be found, with the exception of sound files they can be categorized like so: Note that creating a new version is the only way to install mods the launcher keeps normal versions synced. It is also possible to download old alpha versions, and create version files to install mods on. Normal versions are available to choose from via the launcher, and snapshots are also available. It is accompanied by the client.json file that lists the version's attributes. The client.jar file is found in its version folder. It can be opened using a file archiving program or a Java decompiler.

When using the latest version of the Minecraft launcher, it is named. minecraft/versions/ directory on Windows, the ~/Library/Application Support/ minecraft/versions/ directory in macOS, or the ~/.minecraft/versions/ directory in Linux distributions. Client.jar is the main code source for Minecraft.

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