: The books provide Mengistu's personal testimony and perspective on his life, the Ethiopian Revolution, and the history of the Derg regime "PDF 25 Install" and Online Availability

As of now, there is no widely known official digital release of Mengistu Haile Mariam’s Tiglachin (“Our Struggle”) that requires an “install” or is available via a direct PDF from the author/publisher for free. The book is a historical-political memoir, and legitimate copies would typically be purchased in print or through authorized eBook platforms.

I need to address why he's writing this book now. Retired leaders often publish their memoirs to set the record straight or apologize for past actions. Mengistu might be seeking redemption or presenting his version to those who have been critical of him. The Ethiopian government's stance on him could be an important aspect—how do they respond to his book? Do they try to suppress it, or is there a change in attitude over time?

: Paperback available at Amazon and Tsehai Publishers .

The inclusion of "pdf" and "install" in your query likely refers to a specific act of online protest. In early 2012, shortly after the first volume was published, a manuscript was leaked on the internet.