If you have a valid enrollment, the official app provides audios and interactive exercises. However, for self-learners using PDFs, you need standalone audio.

It sounds like you are looking for digital versions of the Wizard by Pearson English course materials. While the convenience of a PDF is great for studying on the go, finding "Extra Quality" or "Install" versions of these copyrighted books through unofficial sources often leads to broken links, low-quality scans, or security risks. If you have a valid enrollment, the official

Here, the focus shifts to more complex grammar, past and future tenses, and expanding conversation skills. At W8, students are expected to hold sustained conversations. If you have a valid enrollment

— If you're learning English:

To satisfy the full intent of the keyword, ensure you have: for self-learners using PDFs