Software compiled in 2018 was optimized for Windows 10. While it may run on newer operating systems like Windows 11 through compatibility mode, virtualization wrappers can break during major OS updates, leading to sudden stability issues. Security and Licensing Compliance
The "Portable" aspect means the software has been modified to run without a standard system installer. Mechanism of Operation Adobe InDesign CC 2018 13.0.0 -Portable- X64 Full