Just create a subdomain on your domain and install another wordpress with betheme, then install the pre-built website BeGSMService and edit that page.
You can use one license per end product, so you can use any pre-built website you desire or mix them but you cannot use the theme license on two domains. The only exceptions are for subdomains or subfolders. You can register unlimited subdomains with one license key, as long as the main domain is registered under the same key. This also applies to subfolder on localhost installations.
I actually did this but i've not seen any special setup or layout stylng to get the contact form layout look as it appears on the BeGSM Theme layout. I am using the regular layout I believe so I am not sure if that has anything to do with it. This is what it looks like https://www.diigo.com/item/image/3ep6h/57d9 I want it to look like this https://www.diigo.com/item/image/3ep6h/bkh8
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website you desire or mix them but you cannot use the theme license on
two domains.
The only exceptions are for subdomains or subfolders. You can register
unlimited subdomains with one license key, as long as the main domain is
registered under the same key.
This also applies to subfolder on localhost installations.