It appears that you have provided a key and text related to ZWCAD 2024 and ZW3D 2024. Let me help you with your request.

Based on the text, it seems like you are looking for information about the new features and improvements in ZWCAD 2024 compared to its previous version, as well as some details about the software itself.

Here's a summary of what I've gathered from the text:

* ZWCAD 2024 has improved user experience with faster opening, viewing, editing, and saving of files due to multiple-threading optimization, hardware acceleration, and incremental saving.

* The software is compatible with DWG file format and offers a cost-effective solution for 2D and 3D drawing design.

* According to the text, ZWCAD Software Co., Ltd. invests over 20% of its revenue in annual R&D and has been doing so for 20 years.

Additionally, I found a video that presents the general new features of ZW3D 2024, where Markus explains each new feature in detail.

Lastly, it seems like you are looking for a free download link for ZWCAD Professional 2024 SP1.1 Build 2023.10.31 (圆4) 664.1 Mb.

If I'm correct about your request, please let me know and I'll try to provide the necessary information or resources.

Instal ZWCAD 2024 SP1 / ZW3D 2024