So you have obtained your (legally, of course). Now what? A PDF is just a file. You need a method.
A: Some subreddits (like r/German) may have links, but these are quickly removed for copyright violations. Moreover, those links often lead to virus-infected downloads. schritte international a1 pdf
Inside Schritte , each lesson (Lektion) has 4-6 pages. So you have obtained your (legally, of course)
Hueber has a free app called (iOS/Android). If you buy the physical book (even used cheap online), you can scan the pages with the app to unlock free audio and interactive exercises. You don’t need the PDF at all! So you have obtained your (legally