EndNote 21 is a powerful reference management tool developed by Clarivate Analytics. It enables users to efficiently build and manage a personal literature database, quickly search and organize scientific literature, and significantly improve the efficiency of reading and writing. EndNote 21 supports over 7,000 reference formats for international journals, meeting the requirements of various disciplines and publications. Users can download the client software to conveniently access and utilize all its features, including automatic generation of citations and references. 

Download：https://portal.cityu-dg.edu.cn/default/index.html#/itemDetail?wid=1339608609674940416

Endnote Online：https://access.clarivate.com/login?app=endnote

Notices：1. Before installing, please decompress the EN21Inst.msi and License.dat files into the same folder (please note that this folder should not be placed directly on the desktop). After decompression, double-click the EN21Inst.msi file to begin the installation process. No product key entry is required during installation.

                2. Please ensure that all Microsoft Office applications (such as Word, Excel, and Outlook) are closed prior to installing EndNote 21. This is important to ensure a smooth installation process.

Attachment1：Endnotes 21_用户手册.pdf

Attachment2：EndNote Click_用户手册QRC

Zotero is a completely free, open-source, cross-platform professional academic reference management tool. It centers on the entire research process, providing an all-in-one solution for capturing bibliographic information, organizing materials, formatting citations according to standards, and syncing across multiple devices via the cloud. It can systematically store and manage various research resources such as academic papers, monographs, reports, and web materials, greatly improving the efficiency of literature review and paper writing.

Download link: https://www.zotero.org/download/

Installation guide: Installation | Zotero Chinese Community

Note: To ensure stable download channels and account security, please do not repeatedly download the Zotero installation package in large quantities or at high frequency within a short period. It is recommended to download from the official source only when installing for the first time or when updates are needed.