How do I open .PDF files? Lauren September 18, 2016 19:30 Updated Follow To open or view a PDF file, you must have Adobe Acrobat or the free Adobe Reader installed on your computer. Click here to install Adobe Reader on your computer. Still need help? Click the "Contact us" button below! Related articles How do I access the Spanish (Español) wichealth.org website? How can I access reports for my clinic and login to wichealth as a client? Comments 0 comments Article is closed for comments.