Buying the domain is just part of the job done. The next part is creating a website and get the required hosting space for it.

Now there are two major ways you could go from here. Either you sign up for ready-made options like WordPress, Wix, Yola, etc. with their own hosting service and various templates or you could get a Developer to create your own personal design, either from scratch or using a framework.

You can get professional help in both ways, though you have more designing freedom in the second option.

After this you are required to link the domain value checker name to the hosting space. This part is explained in the respective hosting providers.