For more official mojang minecraft server, see the bottom of this page or the Tutorials page. O performance in comparison to desktop computers.
Hosting and playing on the same machine is also possible, if your computer is powerful enough. Use a wired network instead, such as Ethernet. Running by the instructions below should not put you at any risk, but this is a wiki which everybody is allowed to edit, and we don’t know about your system configuration, so we cannot guarantee you’ll be out of danger. For your security, you should only use the most recent version of Java. This will perform an automatic version check from your browser.
However, the Google Chrome browser does not run Java content and therefore cannot check Java through this browser. Open a command window and enter the command java -version. If a version number is reported, then check the Java website to see what the most recent version number is. If you want older versions, find their links at their respective pages. It will write configuration files in the folder, and quit immediately.
The first, and required, configuration you have to do is accepting the EULA. It signifies that you have read and understood the end user license agreement that you’ll follow when using the software. You may need the administrator password to do this. As we currently know there is no command prompt for java on the Windows platform that will run these commands correctly. That however is subject to change. Start, just type cmd and it should have a file name of cmd.
You can also replace the java command with javaw. This may be preferable when using a . Note however that Javaw also doesn’t show any error messages in the command window if anything is wrong. Using the Xms and Xmx parameters, the initial and maximum memory size for Java can be specified. Useful if you want to read what happened as it shut down.