Win 10 end support while can't upgrade to Win 11

A few months from now, support for Windows 10 will end, and updates will no longer be available for free—it needs to pay for extended updates.

If someone is unable to upgrade to Windows 11 due to hardware limitations or compatibility issues, bypassing the Windows 11 requirements using unofficial software or methods might lead to system instability and performance problems, as Microsoft warns.

What are the possible solutions in this situation?Rather than using Linux OS , To be more specific: Is there any way to continue receiving important updates (for free)after support ends, and will it still be possible to get Microsoft Defender updates for free?