From CoolPDF Software:
By default Windows 8 does not have the ability to preview PDF files like images in Windows Explorer or other apps like Office 2010.
PDF Preview allows PC users to preview PDF file in Windows 8 without opening.
This freeware tool installs PDF Preview add-in for Windows Explorer, Microsoft Office, and Microsoft Outlook, and automatically configures itself to preview a PDF file in the Preview pane of Windows Explorer or in the Reading pane in Outlook 2012, 2010, 2007.
Once installed, the application also shows a thumbnail preview for icons and also the icon changes to the one from PDF Preview. However, it cannot preview password protected PDF files.
This freeware program is specifically designed for Windows 8, and works on both Windows 8 64-bit and Windows 32-bit systems. The software outperforms its peers both in speed and stability.
PDF Preview features include:
PDF document can be previewed in thumbnail when it is not opened via the Preview Handler interface in Microsoft Windows 8.
The icon of your PDF document is generated on the fly according to the content of the first page in your PDF document.
Just install the software, and it works with all versions of PDF files.
The preview thumbnail can be displayed instantly after you mouse click on it.
PDF Preview for Windows 8 gives your PDF files a high-quality preview thumbnail.
PDF files with Asian, Hebrew, Arabic, fonts can be opened and viewed easily.
In Windows 8 64-bit operating system, PDF Preview works as twice as much faster than on 32-bit.