I don't want to be mean or rude or anything that you can think of, but I just like to point out the differences for you
Wamp and domain are 2 different things. You can run wamp on your computer w/o domain, and when you've registered a domain, you can run it on wamp or on any other hosting services out there
You install wamp, I mean including this wampserver package or any other wamp such as xampp or so, because you like to have ability to test your websites/projects on your computer(s) before actually have it go live and accessible worldwide in order to avoid some small mistakes that you might make while establish your websites/projects. The difference is every change you make on the web host, it will show immediately and you might block out all users/visitors because of a small mistake
A very common problem that most users have is the lack of patience ;-) This common problem might not apply to you, but I just point out in case anyone read this message and understand why they might have the same problem. A user might try out a wamp package such as xampp, php triad, php easy or any other wamp package and the result did not come out as they were expected; then, they turned to this wampserver package; however, they did not realize that wamp is conflicted even they've already uninstalled other wamp package. Too many reasons to list such as they were not completely uninstall other wamp, they did not know how to clean other wamp's registries which prevents to register this wampserver package to run in windows, they've already had some software that conflict w/ any web server including this wampserver package and other wamp packages, so on
For your particular problem, try to setup Virutal Hosts that you can use local domain names to access your websites w/i your LAN first; when I stated your LAN here, I mean to include the computer that you installed wampserver. When everything work locally, you can expand further to have your websites accessible worldwide ;-)
BTW, in order to have your websites accessible worldwide, you need at least to have all setups and settings that I include in my guides on my personal website. Check them out to see if you're missing any step :-(
Setup Wamp
Setup Virtual Host
Setup LAN & Worldwide Access
Setup DNS
Have fun,
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