If you are a student or teacher, check Azure for Education to see if your institution provides a free Pro or Education license.
You can actually use Windows 10 without a key indefinitely. You will face a "Activate Windows" watermark and lose some personalization settings (like changing wallpaper), but the OS remains functional and receives security updates. Free-Windows-10-Activation-Keys-for-All-Editions-2022
Searching for "free keys" often leads to sites hosting malware or "activator" tools (like KMSPico) which can compromise your computer's security. Instead, consider these official methods: If you are a student or teacher, check
Finding free activation keys for Windows 10 can be tricky, as many public lists contain keys that are either expired, blocked by Microsoft, or intended only for temporary trial use. Understanding Generic Activation Keys blocked by Microsoft