Just to report a happy user!
I was able to down load 17.6.1 using my Broadcom account!
I used the personal version but the "Commercial Use" has been retained - see below
F40 kernel 6.10.12-200.fc40.x86_64 is later than that indicated here
https://knowledge.broadcom.com/external/article/315653/supported-host-operating-systems-for-wor.htmlhttps://knowledge.broadcom.com/external/article/315653/supported-host-operating-systems-for-wor.htmlbut all still seems well.
Help/About shows
Version: 17.6.1 build-24319023
Type: Commercial Use (... my key)
Expiration: No expiration
...
Fedora 41 is out soon - hopefully that will work too!