For PC (Windows)
Download the practice tests for The Official Guide to the TOEFL iBT Test (Windows version)
For Mac (MacOS)
Download the practice tests for The Official Guide to the TOEFL iBT Test (MacOS version)
Practice Set 1 Track 1 Track 2
Practice Set 2 Track 3 Track 4
Practice Set 3 Track 5 Track 6
Practice Set 4 Track 7 Track 8
Practice Set 5 Track 9 Track 10