How do I change what program a PDF file is opened into?

I accidentally clicked open with Internet Explorer and its the default now. I want to change it to Adobe Reader or something like that..How do I change what program a PDF file is opened into?
Open My computer

Go to Tools Menu -%26gt; Folder options

select File Types tab

locate .pdf extension

select 'open' action

choose advance

change associated program!....



smile in your face............How do I change what program a PDF file is opened into?
right click on the file and go to open with - choose program..



then select the progrm you want to use and tick the box always use the select program and click ok.



and your done!