If you are looking for the Arabic text for research purposes:
Searching online for "addurar assaniyyah english pdf top" yields mixed results. You will find: addurar assaniyyah english pdf top
What defines a "Top" PDF? A top-tier English PDF of Ad-Durar As-Saniyyah must have: If you are looking for the Arabic text
Important Note: There is no official, complete, single-volume English translation of the entire Addurar Assaniyyah currently in print. The original Arabic work spans 11 to 16 volumes. What defines a "Top" PDF
However, you can find English PDFs of specific sections or summaries. Here is where to look:
Use Google Scholar or Academia.edu with the exact phrase: "Al-Durar al-Saniyyah fi al-Ajwibah al-Najdiyyah English translation". Academics often upload their annotated copies for peer review.