Existing Wordpress site -- how to use TemplateToaster to give site a "facelift" without losing content?

Question

My wordpress site (hosted on WordPress.com) uses a style that was chosen years ago.  I would like to design a new theme using TemplateToaster, then update the existing site with no loss of content.  Where do I find a tutorial on how to do this?

Answer 1

https://en.support.wordpress.com/themes/adding-new-themes/

Comments

So, the answer is "no, you can't?"  While the link is helpful, it's not useful

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The link says, "As such, we are not able to support uploading of custom WordPress themes on our service."

I'm guessing that's exactly what TemplateToaster makes, so then the answer is "...move your WordPress.com blog to a web host that allows editing and uploading of completely custom themes, using the WordPress.org software. You can find suitable hosts here."