Elements 2018 Trial Version

I downloaded Photoshop Elements 2018 Trial Version and it is asking me to login in and box pops up that says

"either your computer is offline or the clock on our computer is set incorrectly, causing a connection error.  An internet connection is required.

Please connect to the internet or adjust your clock and try again.  If this problem persists, please contact customer support"

I am connected to the internet, obviously, and the clock is correct so don't know what this is an issue.  Can anyone troubleshoot

this?

Thanks

Elaine