Download the installer and then be sure to run as administrator.

Please ensure to disable your antivirus during the download and when you run the game, as well as adding it to your exclusions list. A lot of antivirus software programs picks up our client as a virus and this is a false positive. We apologize for the inconvenience.

If you're experiencing issues with launching the client, please refer to this post on our forums.


Below are the system requirements that are necessary in order to run Rien properly.

Specs.Min. System Req.Rec. System Req.
Operating SystemWindows 7 or later*
Windows 8, 8.1, and 10 users may experience issues attempting to run the game.
ProcessorIntel Core 2 Duo 2.4Ghz / AMD Athlon 64 X2 2.4GhzIntel Core 2 Duo 3.0Ghz / AMD Athlon 64 X2 3.0Ghz
System Memory2GB RAMAt least 4GB RAM
Hard DriveAt least 8GB of free space
GraphicsGeForce 8600 GT / ATI Radeon HD 3450GeForce 9600 GT / ATI Radeon HD 3870
SoundDirectX 9.0 or higher sound card
NetworkBroadband internet connection


Make sure your drivers are the latest. The links below will help you update the drivers best suited for your system.



Q: How do I download Rien?

A: On the 'RIEN INSTALLER' box, you should see a link to RienInstaller.exe. Download it and then run RienInstaller.exe. Follow the instructions shown in your installation window and then Rien should be installed, and you're now ready to go!

Q: I'm getting a "Client to be updated momentarily." popup when clicking on the download links!

A: You'll see this when we've taken down the client links so we can push an update out to them. They'll be back shortly, so don't fret.

Q: Uh oh, my installer is crashing or the installation failed to complete!

A: If you've ran into a technical issue, such as the installer crashing or giving out an indecipherable error code, please visit our Support Center and search our knowledgebase for more information and submit a ticket if you can't find any help.

Q: My Rien game client is crashing on startup.

A: Keep launching the game a couple more times. If you're experiencing issues with launching the client, please refer to this post on our forums.

What is #PlayRien?

Rien is the next generation v83 Global MapleStory Private Server that lets you forge new adventures unlike in anyway you've ever seen before in a MapleStory Private Server. Forge your adventure with #PlayRien.