More than 40% of the world's Catholics live in Latin America-but Africa has seen the biggest growth in Catholic congregations in recent years. Latin America accounts for 483 million Catholics, or 41.3% of the total Catholic population.
Empty folder empties the folder (Deleted items and Junk email) - messages are permanently deleted. Clean up Folder removes all redundant messages in the current folder and moves them to the Cleanup folder.
Old Windows are files that Windows 10 keeps for a while so that you can roll back to a previous version of Windows. It shows up when you click on System Files in the UI of Disk Cleanup. If you upgraded from Windows 8.1, the Windows.old folder is important if you choose to go back from Windows 10 to Windows 8.1.