

From microsoft http://learn.microsoft.com/en-us/windows-server/get-started/kms-client-activation-keys
Or click on “I don’t have a product key” during install
Btw gaming in a VM, unless it’s a extremely old game (30+ years ago), or you have a second, dedicated GPU that you can passthrough, it’s going to give disappointing results
In my country the account owner will get 2-6 years of prison for money laundering, so nobody would “lend” or rent that. Unless it’s stolen identity, and then if widespread the bank will be responsible for having weak KYC procedures (for example ING bank, with a worldwide revenue of 18 trillion, was banned from getting new customers in the country for around 5 years because they allowed to open online accounts too easily)