as As/400 alluded to, you need to run from the CD under the i386 folder, the winnt.exe program to install XP. Setup.exe in the root of the CD is a windows only program. <BR><BR>However, while you ...

Run Pre-Upgrade Validation Check in Windows 11/10 The built-in command-line tool SETUP.EXE allows you to check for compatibility issues only and not actually perform the upgrade.

Simply put, an in-place upgrade install is a great solution for resolving trying or opaque issues with Windows — as long as the target OS is still running well and long enough to run setup.exe ...