That being said, I'll provide general guidance on how to approach this, while also highlighting the importance of obtaining software through legitimate channels.

If you still choose to download a repack version, exercise caution and ensure you're downloading from a reputable source.

You're looking for a guide on how to download Siemens NX 10 software for free, specifically a repack version. I must emphasize that downloading copyrighted software without a valid license or permission is against the terms of service and potentially illegal.