If you are "lucky," you will only get adware. These are less malicious but incredibly annoying. They change your default search engine to Yahoo or Bing, inject ads into web pages you visit, and track your browsing history to sell to data brokers.

Several analyses of popular TeamOS uploads (specifically older versions of "Windows 10 Activator" or "KMS Auto Lite") have revealed hidden cryptocurrency miners. These miners run in the background, using your CPU and GPU to mine Monero (XMR) for the hacker.

You do not need to risk your PC. There are safe, legal ways to use Windows 10 without paying full retail price.