1. The copyright, intellectual property rights, and other rights pertaining to all content of the Px2d software are owned by the author of the Px2d software and are protected by law.
2. Without the authorization of the Px2d author, no unit or individual shall reproduce, copy, disseminate, or sell any content of the Px2d software in any manner or for any reason.
3. Any entity or individual infringing upon Px2d's copyright and other intellectual property rights will be held legally responsible in accordance with the law.
4. After purchasing tools and expansion packs, genuine users will automatically obtain commercial usage licenses for the tools and expansion packs, which can be used for commercial game development.