There are several PDF readers available, with Adobe Acrobat Reader being the most popular. Other options include Foxit Reader, Nitro PDF Reader, and SumatraPDF. Some readers offer features like highlighting, annotating, and note-taking, which can be helpful for studying.
Mentally translating every English sentence into Turkish. The Fix: This takes too long. Practice "chunking" in your PDF. Read groups of 3-4 words together as a visual unit. Force yourself to think in English while looking at the screen or paper.
Familiarize yourself with the table of contents and bookmark features. These can help you quickly navigate through the document.