First of all, we often say Chrom is not supported (support for 86 common architecture, but some other MIPS64, ARM64 bit architecture until now released when the tutorial does not support), in which we installed the Chromium browser, on this difference between the two browsers, see: https://jingyan.baidu.com/article/19192ad8eb4734e53e5707a4.html
Let's start talking about the relevant installation procedures
Right-click the desktop, click the Open in a terminal
input the command
sudo apt install chromium
If you are prompted to enter the password, password input it.
This is a screenshot of the installation is complete
Click UOS lower left corner of the launcher icon, pulled to the bottom, find the "Chromium web browser," click Start
The following is the start Screenshots