English annotation by Vishnudut1926: Sanskrit (with Gudha-Prakasha) by Sri U. Ve. Abhinava Desika Uttamur ViraRaghavaAcharya + English translation by prof R. Ramanujachari.
If you feel that this edition is too complicated for you, then please refer to the simplified explanations from #"YAMUNACHARYA" by Dr. V. Varadachari#
This scan belongs to my E-Library on Cryptpad (E-Library, containing crucial and the most recommended Vaishnava-Granthas), you can visit here - #Cryptpad light E-Library#
Some technical details about scan optimization: The original scan had been found on archive.org, the size was huge as usually - 234MB (megabytes). I have optimized via PDF X-Change and made 78MB version. No quality is lost. However if you need original big 234MB scan, then you can find on archive - https://archive.org/details/SiddhiTrayaWithGudhaPrakasaByUttamurViraraghavacharyaEnglishTranslationByRamanuj
P.S. Cover in the beginning of the post is not original, had been redesigned by me in GIMP in usually!