Lot's of people don't know how to do it.
Heres a little guide. (No pics guys, sorry] )
Step 1: Go find the download you wish to download.
Step 2: On the download pop-up, hit "Save As"
Step 3: Save it anywhere you want.
Step 4: Once it's done, hit "Open Folder"
Step 5: Find the download you saved.
Step 6: Right Click the download.
Step 7: Hit "Extract to" or "Extract" or whatever is there.
Step 8: The extract wizard should pop up and ask you where to extract the file.
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For Those of you who don't know how to install WoW addons:
Step 9: Go to My Computer - Local Disk (C) - Program Files - World of Warcraft - Interface - Addons and extract it to there.
Step 10: Log into to WoW
Step 11: Get on the character screen
Step 12: Look in the bottom left corner - it should have a button that says "Addons"
Step 13: Click the button -.-
Final Step: Enable your addon. (Sometimes you have to hit 'Load Out of Date addons'
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And there you go! WoW addons for you. The rep button ain't far awayIt helps the kids in Africa.