you can open a prompt, then type
dff2dsf <input filename> <output filename>
Player SACD/DAC:DENON DCD-1500RE
Player UHD Blu-ray:Sony UBP-X800
Player Media Streamer: SHIELD TV Pro
Ripper (SACD): OPPO BDP-103
Ripper (UHD) : Pioneer BDR-UD04 FW1.14
you will need extract dff2dsf.exe from the zip file
open dff2dsf-122.zip from Windows Explorer (or any uncompress software), then COPY win32\dff2dsf.exe to C:\BIN - or any folder you want.
if your dff files (Track01.dff) under C:\DFF
open "Command Prompt"
in C:
type "cd C:\DFF", it will goto C:\DFF>
type "C:\BIN\DFF2DSF.EXE Track01.dff Track01.dsf", replace C:\BIN to where you saved dff2dsf.exe
repeat above if you have more files.
FYI - program does not support chinese filename
Player SACD/DAC:DENON DCD-1500RE
Player UHD Blu-ray:Sony UBP-X800
Player Media Streamer: SHIELD TV Pro
Ripper (SACD): OPPO BDP-103
Ripper (UHD) : Pioneer BDR-UD04 FW1.14