PDF file viewers

To identify your Windows version, click "Start", click "Run...", type "winver" and hit "Enter"

SumatraPDF 1.0.1 with installer (1.2 MB) - good basic choice if you do not have Adobe Reader already.
for Windows 2000, Windows XP, Windows Vista and Windows 7
Internet Explorer, click Run (or Save then install); Firefox, Save then double-click to install.

SumatraPDF 1.0.1 standalone (1.2 MB) - good for USB drive / USB stick
SumatraPDF 1.0.1 zipped standalone (1.2 MB)
for Windows 2000, Windows XP, Windows Vista and Windows 7
Click Save. You will need to download the .pdf file, then drag-and-drop it on the Sumatra file.
The zipped version will require you to have a program to unzip the file.

Adobe Acrobat Reader 5.05 - Windows 95, 98 and above (8.6 MB)
Internet Explorer, click Run (or Save then install); Firefox, Save then double-click to install.
This old version will run on any Windows system and will still read most .pdf files.

Adobe Reader - automatically get the full current version (37+ MB)
for Windows 2000 SP4, Windows XP SP2 and above (Vista and Windows 7)
Internet Explorer, click Run (or Save then install); Firefox, Save then double-click to install.
This is the latest and "greatest" from Adobe; also the largest download and biggest resource hog.

Adobe Reader - make selections to get current version (minimum 26 MB)
for Windows 2000 SP4, Windows XP SP2 and above (Vista and Windows 7);
also may select Mac Intel, Mac PowerPC, Linux or Solaris and desired language.
Internet Explorer, click Run (or Save then install); Firefox, Save then double-click to install.
This is the latest and "greatest" from Adobe; also the largest download and biggest resource hog.