I really need help fix my iPod touch

Very vague

Please explain

Forgotten RESTRICTIONS Passcode

- Restore from a backup that was make before you added the Restrictions passcode. If you restore from a backup made with the Restrictions passcode the Restrictions passcode is also restored.

- Restore to factory settings/new iPod.

- If you are up to file manipulation see:

How to reset forgotten Restrictions...: Apple Support Communities

Forgotton screen-lock passcode:

Connect the iOS device to your computer and restore via iTunes. Place the iOS device in Recovery Mode if necessary to allow the restore.

If recovery mode does not work try DFU mode.

How to put iPod touch / iPhone into DFU mode « Karthik's scribblings

For how to restore:

iTunes: Restoring iOS software

To restore from backup see:

iOS: How to back up

If you restore from iCloud backup the apps will be automatically downloaded. If you restore from iTunes backup the apps and music have to be in the iTunes library since synced media like apps and music are not included in the backup of the iOS device that iTunes makes.

You can redownload iTunes purchases by:

Downloading past purchases from the App Store, iBookstore, and iTunes Store

Apple ID/iTunes password

iTunes Store: Retrieving and changing passwords (Apple ID)