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.
3) 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]