Have Windows Media Player 12?
If you have the later version Windows Media Player 12, you can check out the tutorial on how to add and remove music from Windows Media Player 12.
You can visit the Microsoft site to download the latest version of Windows Media Player.
Navigating the Library Menu
Having clicked on the Library tab, you will now be in the library section of Windows Media Player (WMP). Here you will see playlist options in the left pane as well as categories such as artist, album, songs etc.
To start adding music and other media types to your library, click on the small down-arrow icon which is situated underneath the library tab at the top of the screen.
A drop-down menu will appear giving you various options. Click on Add to Library and make sure your media type is set to music as in the example screen shot.
Choosing Your Media Folders
Windows Media Player gives you the option to select what folders you want to scan for media files — such as music, photos, and videos. The first thing to is check to see if you are in the advanced options mode by looking for the Add button. If you can’t see it then click on Advanced Options to expand the dialog box.
When you see the Add button, click on it to start adding folders to the monitored folders list. Finally, click on the OK button to begin the process of scanning your computer for media files.
Reviewing Your Library
After the searching process is complete, close the search dialog box by clicking on the close button. Your media library should now be built and you can check this by clicking on some of the options on the left pane. For example, selecting artist will list all the artists in your library in alphabetical order.
1. To add media files to your Windows Media Player library, select the file(s) you would like to add and then right-click. Select "Add to Windows Media Player list". The files should then appear in your Windows Media Player playlist.
2. Alternatively, you can try the following to add files: Open Windows Media Player. Locate the file(s) you would like to add to your library. Select the file(s) then hold the left-button down to drag them to the area denoted below.
If you have additional questions about how to add files to your Windows Media Player library, please visit the Windows Media Player knowledge base here.
*Information from Lifewire.com
Click , then Settings.
Scroll down to Local Files and switch Show Local Files on.
Any files in your computer's My Music and Downloads folders are automatically selected. Switch off any sources you don't want Spotify to access.
Click ADD A SOURCE to select another folder.
You’ll now find music from that folder in Local Files in the menu on the left.
Supported file types:
.m4p (unless it contains video)
.mp4 (if QuickTime is installed on your computer)
Note: The iTunes lossless format (M4A) is not supported.
Adding music to Apple Music:
Please reach out to Apple for more information on how to add your local music files to Apple Music.