Quick answer
Upload your Windows audio files to iCloud Drive, download them in Files on your iPhone, then import into TuneTrace. Use ordinary audio files; AirDrop is not required.
Step by step
3 stepsUpload the music to iCloud Drive
Upload your MP3 or M4A files from the computer. Try one file and confirm it finishes before adding the rest.
Download the files on your iPhone
Use the corresponding Apple Account to open iCloud Drive in Files. Find and play the audio to confirm it has downloaded.
Import from TuneTrace’s Library
Tap the top-left import button and select the downloaded audio. Check its information and add it to a playlist.
Find songs, playlists, and recordings in the Library
Common questions
Do I have to use iCloud?
No. Any method that puts ordinary audio files in Files on your iPhone can work for importing into TuneTrace.
Can Windows use AirDrop directly?
No. AirDrop works between Apple devices. Use iCloud Drive or another file-transfer method from Windows.