If you get this error message: "Application Error" The application failed to initialize properly (0xc0000135) Click on OK to terminate the application"
That means you don't have Microsoft .NET 4 Framework Get it here
1 Download the emulator from this page. 2 Extract it by double clicking the .zip file and open the setup .exe file. 3 You will be prompted with the installation of the emulator, to proceed click next and accept plugins/addons if the installer cant find them. the installer will automatically install those files and will make a shortcut on your desktop of the 3ds emulator. 4 After the installation is done, its time to find a game to load - (instructions on how to get games can be found of that page too.) 5 After you installed everything you can open the emulator located on your desktop. 6 To play a game simply click file>open... and load and navigate to the 3ds rom file. 7 Happy gaming!