Looking for a "safe" to go on your desktop.?

Literally your download-able system (needs to be free) which i might save documents for instance audio a strong notes a be capable of locking mechanism this which has a password, consequently next time i shut the item a good reopen the idea, i would like a new password to have around.
almost any assistance you need to

TrueCrypt is an extremely fine (and free) open-source course which really does exactly what everyone described.