It is a direct upgrade to its predecessors, Windows 2000 for high-end and business users and Windows Me for home users, available for any devices running Windows NT 4.0, Windows 98, Windows 2000 and Windows Me that meet the new Windows XP system requirements.ĭevelopment of Windows XP began in the late 1990s under the codename ' Neptune', built on the Windows NT kernel explicitly intended for mainstream consumer use. It was released to manufacturing on August 24, 2001, and later to retail on October 25, 2001.

Follow the menu path Start > Control Panel > Folder Options > File Types.Windows XP is a major release of Microsoft's Windows NT operating system.

Choose your preferred PDF viewer, such as Adobe Reader.

Follow the menu path Start > Default Programs > Associate a file type or protocol with a specific program.

To set a preferred PDF viewer as the default:.

If no other PDF viewer is installed, once Adobe Reader is installed, it becomes the default.

To set a PDF viewer as the default on Windows Result: The application that you selected will be the location in which PDFs open. In the subsequent dialog box, click Continue. Result: That application will be selected.

From the Open with: section in the new window that opens, select your preferred application, such as Adobe Reader or Preview.

Result: A new window will open with information on that PDF file.

Choose Get Info from the menu that opens.Result: A menu will open next to the file name. Q: How do I change my operating system's default application for opening PDFs? Answer To set a PDF viewer as the default on Mac OS X:

Pdf viewer for windows xp