There are many programs that will read PDF files, usually Adobe Reader is installed because that is the most well known. Some users do not like this and may consider it unwieldy and sometimes unresponsive.

Alternatives are available and are usually faster and use less resources.

Free PDF readers for Windows include:

• FoxIt [foxitsoftware.com]
• Xpdf [foolabs.com] (win32 binaries available)
• Cool PDF Reader [pdf2exe.com]
• MuPDF [ccxvii.net]
• Okular [kde.org] (win32 download [kde.org])
• Sumatra [blog.kowalczyk.info]
• See also: PDF freeware [paperlined.org]

Linux users should find that several PDF readers are available: KPDF, Xpdf, GhostView and many others.