human
How do I open an ARF file on my PC or Mac?
assistant
Open an ARF File on PC or Mac
1. Open the NR Player download page.
2. Click Windows or Mac OSX under ".ARF File." 
3. Launch the setup file, and finish the install.
4. Open the NR Player app on your computer.
5. Click the File tab, and select Open.
6. Select your ARF file, and click Open.