Sumatra PDF is a very simple PDF viewer that I find to be faster than other programs like Adobe Reader (an 80MB app to read PDFs?) and Foxit. It may lack a lot of features compared to Foxit, but if all you want to do is quickly read a PDF after you’ve downloaded it, this is the program for you. You can download it here. It is also usable as a portable application, as it’s just one file with no external dependencies so you can easily run it from external USB drive.

After you have it installed, go to Start -> All Programs -> SumatraPDF and click on SumatraPDF. It might ask you if you want to make it the default PDF viewer, in which case you should say yes. If it doesn’t, you can go to File -> Make SumatraPDF a Default PDF Viewer.

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