Precautions:
1. 2021 has higher requirements for computer hardware, and the computer system must be win 10, and the computer system must be 64-bit to install.
2. The software installation is very simple, without too many skills, refer to the installation tutorial in the installation package, most of them can be installed successfully.
download link:
Link: https://pan.baidu.com/s/1qQx7qlYMFjpNifn873kxPg
Extraction code: pa9a