To run TLauncher and Minecraft, Java 8 is required! However, on some Linux systems, they also work with Java 11. Recommended Java version for Minecraft on Windows: Java 8 Update 51 (most recommended) or Java 8 Update 45.

Can you play multiplayer Java TLauncher?

On another PC click on "Connect to an existing network", enter the network name and password created earlier. ... Then you should also open the version with the TL icon on another PC (also, the version of the game must be the same as on the first PC), go to Multiplayer, open Direct connect.

Is TLauncher bedrock or Java?

tLauncher is only the Java Edition of Minecraft. tLauncher PE is a thing but it just lets your download skins and maps and stuff.