Note: Internet Archive links change as new versions are uploaded. Always look for uploads from verified accounts (green checkmark).
The official series by Dr. Ubaid-ur-Rehman Bashir is primarily available as a digital Flipbook which is not downloadable as a PDF for offline use. However, there are various supporting "papers" (tests and worksheets) and unofficial PDF versions of the text available online. Official Resources & Papers muallim ul quran dr ubaid pdf link
His lectures on Muallim ul Quran were originally a series of radio and TV programs in Pakistan, which later transformed into a multi-volume book. Today, the Muallim ul Quran PDF is one of the most downloaded Urdu Tafsir texts online. Note: Internet Archive links change as new versions
Go to their search bar → type “Muallim ul Quran” → select the edition by Dr. Ubaid ur Rehman → right-click the “Download PDF” button (no registration required). Ubaid-ur-Rehman Bashir is primarily available as a digital
Completing the first six units of the course reportedly enables students to understand approximately 60% of any Quranic page independently.