Here's a write-up covering the PDF version of Volume 4 (Vol 4) of Tuhfatul Almai:

To access a PDF version of Tuhfatul Almai Vol 4, a simple online search or visit to Islamic e-book repositories may be helpful.

Please replace 'if you were to access' with an appropriate version according to your search.

The fourth volume of Tuhfatul Almai (Vol 4) delves into deeper aspects of spirituality, theosophy, and Sufi ideologies. The book embodies the experiences, observations, and revelations that Shah Waliullah encountered during his spiritual journey. This volume provides guidance on various dimensions of a Sufi's life, including spiritual purification (Tazkiah), inner reform, and introspection.

I'm assuming you're referring to the book "Tuhfatul Almai" (also spelled as "Tuhfatul Awalim" or "Tuhfatul Alamai") which is a renowned Urdu language book written by Shah Waliullah Dehlawi.