when you receive email it will say what kind of file it is , and adobe will be the one to open it automatically. if you have an attachment there will be a icon for attachment. right click it and the file will open in the applicable window. select open.

First of all, install “Adobe Reader”

Now go back to your email once this is done and look for anything that says “PDF” in the email. Write it the word(s) to the left of the letters PDF. Now click on the words that say PDF. It if asks to save the file, click on My Documents, then click on Save. Now open My Documents and look for something with the same name that you wrote down just a moment ago. Double-click on that file. Acrobat should open automatically.