How to Install Microsoft Office Document Imaging for Office 2007 in Windows Vista
MDI (Microsoft Document Imaging format) is a file format introduced by Microsoft. It is for storing raster images of scanned documents together with optional annotations or metadata which can include the text of the document, generated by OCR. Office 2007's installation, by default, doesn't install Microsoft Document Imaging Viewer.

Rename Files in Windows With Auto-Numbering
Windows users can actually rename their files and let windows to renumber the files automatically without installing any third party software. However there is only one numbering format is provided: "Name (number). extension".
Microsoft Security Essentials
Microsoft Security Essentials is a free download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. It’s easy to tell if your PC is secure — when you’re green, you’re good. It’s that simple.
