While a free version of InDesign sounds appealing, downloading "Portable" versions from Mega or other file-hosting sites carries severe risks.
This is the most significant danger. "Portable" apps are not official releases; they are modifications created by third parties. Adobe Indesign Cs4 Portable Mega
Replaced the older INX format with InDesign Markup Language (IDML) , an XML-based representation that improved file stability and readability by other applications. 3. Analysis of "Portable Mega" Versions While a free version of InDesign sounds appealing,