i need to activate a new LPCXpresso but https://lpcxpresso-activation.nxp.com is not avlible.
what to do?
The activation website seems to be active. What do you actually see when you try to access it? You generally should be taken to the NXP website login page - where you can login (if necessary creating an account first).
There is more information on activating LPCXpresso IDE at:
https://community.nxp.com/message/630539
but you also might want to consider using the new MCUXpresso IDE product instead (which does not require activation) :
Regards,
LPCXpresso Support