If you want to grab free VPS (OpenVZ Mini package) free of charge, here is the list of requirements you should meet:
1) The domain from non-free domain zone (for example .com)
2) The link to https://www.wishosting.com on your domain index page.
3) Your website should have some real content (5+ pages) and it should be indexed by search engines.
4) Intended usage of the VPS.
5) The service will be active as long as you keep the backlink on your website.
Please open a support ticket if you meet those requirements or send an e-mail to [email protected]