napster DRM 
Napster music contains DRM protection, which always in a DRM protected WMA format. If you want to put it into iPod, Zune, or other MP3 player, you have to remove DRM protection from Napster music.
I would like to recommend a strong converter tool, DRM Removal. This DRM Removal will break the limitations of rental movies and convert them to unprotected files. To match your own player, it allows you to customize parameters yourself. Here is a detailed guide to show you how to remove DRM from Napster songs.
Full Guide about Remove DRM From Napster Songs
Step 1: Load DRM files to this free trial version DRM Removal.
Add DRM files like DRM WMA files. Click "Add" button
to import your original DRM music files.

Step 2: Set output profile and destination.
Choose MP3 or WMA as your output audio format. Click the setting button, you can set the parameter with pleasure.

You also can change the output file location, or the output files will be located as default.

Step 3: Conversion.
Here, we start removing DRM from original files by clicking "Start" button
.
Tips: This DRM Removal also allows you to convert and remove DRM from protected video.
Detailed Information
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Q1: How can I set the output file name?
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A: Please find the column named ‘Destination File’ on file list. Double click the output name and then you can type in desired output file name.
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Q2: I am unable to download the program properly. What can I do?
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A: Check whether your computer has been infected. Then check your IE settings. Please click "Internet option..." under "Tools", and then select the "General" Page, click "Delete file...".
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Q3: How to update this DRM Removal?
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A: Simply click "Help" button on right top area of this totally free software, then in the sixth choice, you can find a option named "Check for Updates...", click it and you may find something new.
Q4: Where to get free trial version?
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Click download in this page and you will get it now!
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Input FormatsStandard Video
AVI, MP4, MPG, MPEG, DPG, VOB, 3GP, 3G2, WMV, ASF, RM, RMVB, DAT, MOV, FLV, f4v, DVR-MS, M4V, MKV, MOD, TOD, GIF, AP3, AIF, DV, NUT, NSV. HD VideoMTS, TS, M2TS, TP, TRP,TOD, HD MKV, HD WMV, HD MOD, HD MOV, HD FLV AudioW4A, W4B, M4P, MP3, M4A, MP2, MPA, AIFF, OGG, MKA, RA, RAM, AC3, AAC, WMA, WAV, APE, FLAC, AA Output FormatsStandard VideoASF, MOV, M4V, MP4 Video(AVC), MP4 Video(Xvid), MP4 Video(MC), WMV, MKV,FLV, F4V, SWF, AVI, Xvid, DV, MPEG-1, NTSC, MPEG-1 PAL, MPEG-1 SECAM, MPEG-2 NTSC, MPEG-2 PAL, MPEG-2 SECAM, DVD-Video NTSC, DVD-Video PAL, DVD-Video SECAM. HD VideoTS, TRP, AVI, MP4, MPG, WMV, MOV. AudioMP3, M4A, AC3, AAC, WMA, WAV, OGG, APE, MKA, AU, AIFF, FLAC, M4B.





