Windows 10: I can't open my mp4 player ang mp3 player

Hi, My name is ***.My mp4 playerMovies & TV can't open my mp4 file.My mp3 playerMedia Player can't open my mp3 file too.And my teacher send some homework on video.I can't open it.My homework still in my video:Help me!

:)

 

A New Mp4 Player.

I'm gonna buy a new Mp4 player. Suggest me some good ones, I personally like the Sony NWZ-F and Cowon iAudio 10.

If there are any good or better please suggest!

Thanks.
*Cool

 

MP3 player sync

I have a Creative 8GB mp3 player ad wondering if anyone else has some good suggestions beyond WMP for syncing my library too it.

 

Windows Media Player is not in Default apps list in Windows 10

I know, this question was asked many times, but there is still no answer that can actually solve the problem. There are steps to get the WMP in Windows Optional Features, install it if missing, etc. - I did all that, and now WMP runs and plays media files. However, there is no way in Windows 10 to set it as a Default App to play media file types.

• Go to "Default apps" > "Music Player" > "Choose Default" - WMP is not there.
  
• "Choose default apps by file type" > ".mp3" > "Choose a default" - WMP is not there.
  
• "Set Defaults by app" > Windows Media Player is here! > select "Manage" > find ".mp3" > "Choose a default" - the only choice is "Look for an app in the Microsoft Store".
  

After a long time spent searching I found this article: How to make any program the default on Windows 10 - gHacks Tech News

Apparently after 1803 you are supposed to use hackers tools to set the Microsoft's own Windows Media Player as default. I used FileTypesMan as was suggested in the article, but when I try to change assignments for .mp3 files, I get "Error 5: Access is denied" from the tool. Also, if I right-click on an .mp3 file and select "Open with..." it still suggests me to go to Microsoft Store, open with Notepad, Paint, Word, but not Windows Media Player.

What is the proper way to make WMP the default media player, so it shows up in the Default apps list?