Most of the time a copied Web address will automatically turn into a clickable link when you post a message on this forum.
There are a few complicated URL addresses that won't automatically convert. If you don't have a blank space before and after the URL address, it won't convert to a link. And of course, if you miss just one letter of it, it won't link at all.
To be more certain of the outcome, click on the "New Topic" or "New Reply" or "Switch to Full Reply Screen"
button. Then, click on the tiny button above the text box to add a link. Looks like this:
Then paste your copied link in the box that pops up. Works 100% of the time if the link is copied 100%.