You can take the PTE core test with the basic computer skills required to appear for a computer-based test. You can take the PTE practice Test from the official website to understand and feel confident before you sit for the exam.
Many online platforms offer PTE mock tests, which help you get an understanding of the test and get evaluated based on the answers you provide. The evaluation is available within ten minutes after submitting your answers and can help you understand the computer skills required for the exam.