Change Joomla location from subdomain

hello, First i want to than you for the SEO course. I am just getting back to the site and the course helped me understand joomla seo, so much better. (I have a few questions but i will put those ina nother thread). I learned alot .Thanks you:)

I setup my website on a subdomain(I was going back and forth on this) i just went through the SEo training and it confirmed its best to go without a sub domain. I am wondering how difficult it will be to move that site to another site. I installed several extensions such as akeeba, jsecure, k2(will do the others later) and did a lot of configurations as mentioned in the videos, i was wondering if i could take some time and just transfer it.

The thing is for example a company name is "ABC" and sells "XYZ products", so if i had something like XYZproduct.ACB.com I though it would best for people finding me on search engine if they did either of the two searches, does this rationale makes sense? or is it best to just have one name say ABC.com ,

in this case the brand is not as strong as the keyword, i would get both domains and just direct one to the best choice, i was thinking

Thanks

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