How to make a domain like activex.microsoft.com

what this activex indicate

[biju_uv]

I would apreciate if anybody can give the related information

[Mike_Mackin]

If I understand your question,

[stuff-before-domain-name.domain-name.com...]

stuff-before-domain-name = a sub domain
ask your host where to go in your control panel to set up sub domains.

Some hosts charge for this.
Our host lets you have 5 for FREE