My Itunes is not working properly. 1) Music that I have bought is not showing in Purchased. 2) Some songs are Greyed Out in all may playlists. 3) Clicking on the Music the icon shows (Sync Music) but the box below is totally Greyed out.

See Hide and unhide music, movies, TV shows, audiobooks, and books - Apple Support and Redownload apps, music, movies, TV shows, and books from the App Store, iTunes Store, and Apple Books - Apple Support.

See If your songs are grayed out - Apple Support.

Do you have an active subscription to either Apple Music or iTunes Match? Sync Music is an option when you do. See Turn on Sync Library with Apple Music - Apple Support.

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Greyed out in iTunes, or greyed out on a connected device? Do you have a backup of your library? See Backup your iTunes for Windows library with SyncToy - Apple Community for the method I use.

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I am using iTunes on my Windows 10 laptop to make music playlists of music I purchased from iTunes and original music I have recorded. Some of the purchased songs in my playlist and original songs are presently greyed out and there doesn't seem to be a clear reason or remedy. I am concerned that these songs may dissappear from the playlist and/or change order, problems I recall having in the past. I don't wish to spend the time and care on playlists/music/artwork/related data again if I can't be sure it will all be completely preserved. What do I need to do? I'm running V12.12.4.1 Thank you.