Downloading the PDF is step one. Using it well is step two. Here is a 4-week strategy:
"Klipp Und Klar A1 B1 25.pdf" appears to be a PDF resource for German language learners, specifically targeting levels A1 and B1 of the Common European Framework of Reference for Languages (CEFR). Here's a brief overview of the resource: Klipp Und Klar A1 B1 25.pdf
To ensure you get the right level: