Creating website is not an easy task for someone who is not an IT person. But, this days learning any thing is so easy. You can see video tutorial in youtube. I am giving some tips, you can follow this. Buy domain and hosting from a renowned organization. This days, almost every hosting company provides support to install wordpress. Install wordpress from cpanel. Then choose a theme from wordpress repository. Install the theme.
You can minimize your effort by contacting a web development company
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Also you can try to use this www.templatemonster.com/wordpress-themes.php wordpress themes for website, for example. I've bookmarked them already but didn't use yet. I think it should be useful to you.