Hi Joshwin,
Unfortunately CodeWarrior 6.3 does not support Windows 10, only Windows XP, Windows Vista and Windows 7 64bit (here is an application note that explains how to install it on Windows 7 64bit):
http://cache.nxp.com/files/soft_dev_tools/doc/app_note/AN3936.pdf
Regarding the CodeWarrior versions, on the below link you can find a comparison between the available suites and prices for CodeWarrior 6.3:
CodeWarrior Suites (Bas, Stand, Pro)|NXP
Do you know which MCU does the XBee module includes? Maybe CodeWarrior 10.6 which is the latest release supports that MCU.
Hope it helps!
Best Regards,
Carlos Mendoza
Technical Support Engineer
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