install wifi driever in centos 7

[alifxesf]

hi
i recently installed centos 7.5. but i have a sirouse problem in the begening:
i can not install my wifi driver and also i have not internet to update it,
if anyone can help and know how to fix this, the wifi-dungle model is D-link DWA-123
thanks

[TrevorH]

Don't use 7.5. It's over 18 months old and has serious security problems. 7.7 is the current version plus all the various fixes that have been released since it came out.

Post the output from lsusb.py so we can see the exact model you have.