See this webpage from IBM: Operating systems for IBM Worklight 6.1.0
Windows XP is not a supported version of Windows in Worklight. It may work, it may not work. Either way it is not supported in Worklight 6.0 and above.
The last version of Worklight that supported XP is Worklight 5.0.6.
You can download previous releases here:
NOTE: The downloads above are not the most recent versions of these releases; they are not maintained, and only customers can receive support and ifixes for them. If possible you should upgrade your system and use the latest Developer Edition - 6.1.0.