I searched for website building software I could buy rather than rent - I hate renting
Can I use your software to build myself a simple website as a hobby interest. I have a domain name here in the uk. If I build lets saya blog can I then get my hoster to run it ? In other word does it have to be one of the usial 'wordprees' drupal or joomla ?

We offer UltimateWB website builder as a flat fee purchase for those you like to buy and not rent. And our Cloud plans for those who like to rent.

If you are buying the software, you will need web hosting. We have web hosting packages available here at: https://www.ultimatewb.com/domain-names-web-hosting 

Alternatively, you can also host with another company; just ask them if they satisfy the server requirements: https://www.ultimatewb.com/server-requirements 

All of our web hosting packages include free SSL and professional installation of your purchased software onto your web hosting account.

You can format your website as a blog or as a website with social aspects, like posting and commenting. You would want the UltimateWB Full version for that. It comes with lots of built-in social apps. As you asked about making a blog, you would probably want to use the articles app or scrapbooks app. If you would want a website and a blog, you can combine use of the various apps, whatever suits you.

If you just want a website that you can post pages too, and not any social aspects, you can go with one of the lower versions of the software. Here is a comparison chart of features: https://www.ultimatewb.com/compare-uwb 

We have demos available too: https://www.ultimatewb.com/demolinks 

If you provide more info on what you want to build, either on here or via email, we can provide more tailored advice.