Low Disk Space Warning

I deleted all music files, including iTunes. But I still only 590 mg and continue to receive the warning of low disk space. How do I find and delete all the files are not necessary?

Have you emptied the trash? You can also download CCleaner and run it.
http://www.piriform.com/ccleaner
After running CCleaner, you can go to the Tools tab on the left and in the System Restore tab, you can delete some of the older restore points to free space. Do this only if your computer has been working well.

MB not MG. Keep deleting or buy an external to store your files.

If you disable System Restore or limit it to a certain size. You can free up much space, get rid of the demonstration programs too. If you have two versions of a program to get rid of the old. But do not turn off system restore unless you have backups first.

104 GB disk size is not how much you have left so you prolly have full use cc own defrag and empty the trash files and delete emp history and all other maintenance work that you may think you could compress your drive, but that will only give you some space and you can not compress your windows in order to obtain a clerkship, and spend most of your orders for