Use the DVR capture method to capture from Amazon. Captures to WMV.
https://www.jaksta.com/support/windows/kb/how-to-dvr-amazon-prime-videos-6000139646
You can automatically convert to any format/quality/codec setting you want to after the recording is finished.
HTH
Wally Schwarz
Will this product allow me to download from Amazon Videos and retain AC3 audio into an MKV with closed captioning?