Hi there, 

Thank you for reaching out to us and here is the links that you need:

This is the link for download the SW APP:
https://www.mediafire.com/file/if2gm8oiv99xasx/FNIRSI_Bluetooth_APP__old%25EF%25BC%2588Android%25EF%25BC%2589_v1.0.apk/file


This is the link for download the PC Software (please use the windows 10 system ):
https://www.mediafire.com/file/5hvgsrlps2ceqlu/FNIRSI-%25E6%25B5%258B%25E8%25AF%2595%25E4%25BB%25AA%25E4%25B8%258A%25E4%25BD%25

You can follow the instructions on the manual to download it. 
Hope this helps!

Sincerely,
Fnirsi