The 2015 version was built for Windows 7 and 8. Running it on Windows 10 or 11—especially in a "portable" wrapper—frequently leads to display scaling issues, font rendering errors, and "missing DLL" warnings. Modern Alternatives to Older Portable Software
For professional work, it is always recommended to use the official Creative Cloud installer or a modern, legal competitor like Affinity. Adobe InDesign CC 2015 12.5.0 Portable -x86x64- .rar
Enhanced support for Microsoft Surface and other touch-enabled devices. Understanding "Portable" .rar Versions The 2015 version was built for Windows 7 and 8