Why do I have two Program Files folders?

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Tags

1. #backwards
2. #applications
3. #folder
4. #compatibility
5. #64bit
6. #files
7. #shouldn
8. #normal
9. #eighty
10. #32bit
11. #program
12. #native
13. #installed
14. #folders
15. #there
16. #application
17. #version