Microsoft has made Windows more accessible than ever. The company offers free security updates for unactivated copies, and full licenses are available for as little as $15–$30 from authorized resellers. If even that is too expensive, Linux distributions like Ubuntu offer a polished, professional operating system completely free of charge.

Since it runs before the OS launches, it doesn't consume RAM or system resources while Windows is running. Critical Considerations & Risks

Here is an informative article addressing the topic responsibly:

Almost all security software will flag Windows Loader as a "HackTool" or "PUP" (Potentially Unwanted Program). While this is expected for activation bypassers, it makes it difficult to distinguish between the tool itself and actual malicious payloads.