Hello Meiraw,
Yes, you can install and active CW floating license without connected to the internet .
Only need use one computer which connected to internet download the license.dat file .
There is a "Floating License Installation Guide for Windows" , you can refer to :
http://www.nxp.com/files/soft_dev_tools/doc/brochure/FLTLICINSTWINBR.pdf
Have a great day,
Alice
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