If you've purchased the game and you have it installed, you can download the standalone launcher for Minecraft here. It will update your game's files with the most current version. If you've been online at least once in the last 24 hours, you will be able to play Minecraft for Windows without an Internet connection. Minecraft for Windows

KN Launcher v1.404 (1).jar. Save the file instead. Save the file wherever you'd like, then double-click the program to run.

The Minecraft launcher was updated on 01 July 2013. The Minecraft launcher was updated 01 July 2013. Multiplayer Server

If you're running on Windows and just want to set up a server easily, download minecraft_server.1.7.10.exe and run it. It's more complicated to run the server on a different OS or with no GUI. MINECRAFT SERVERS This tutorial is available here. First, make sure you can run java from the command-line. On Linux and Mac OS X this should already be configured, however on Windows you may need to alter the PATH environment variable. Download and run minecraft_server.1.7.10.jar with java -Xmx1024M -Xms1024M -jar minecraft_server.jar nogui.