1. Find the previous version on the official website (2020.1 and below)
I downloaded this, as follows
2. After the installation is complete, first try
Three, download the compressed package
Link: https://pan.baidu.com/s/1lsYnxme3jXmEQwt2oUP9Iw Password: iel0
4. Then drag the compressed package into this page
Fifth, just follow the prompts and keep the next step
Note: This compressed package is applicable to 2020.1 and below