Mupen64Plus

Mupen64Plus  is an open source, cross-platform plugin-based N64 emulator which is capable of accurately playing many games. You can download the latest build here.

M64P is the only N64 emu that accurately updates K64's UI.

Using Mupen64Plus

Windows:

First create this directory: C:\Users\<username>\AppData\Roaming\Mupen64Plus (<username> is whatever your PC name is). Now copy all the .ini and .cfg files into this folder. Next create a folder in there and name it "save". Open up command (Windows Key + R, type "cmd" and hit enter) and drag/drop mupen64plus-ui-console.exe into cmd, hit space, and drag/drop the ROM you want to play and then hit enter.

To change plugins, after you've dragged/dropped mupen's exe into cmd, type "--gfx", hit space, then drag/drop the plugin you want to use, hit space again, and then drag/drop the game you want to run and hit enter.

To change settings open mupen64plus.cfg, or the plugin's .cfg/.ini file in notepad++.