In some environment we have some limit to set the environment.
However, we can use the command to open it and setting the environment.
> rundll32 sysdm.cpl,EditEnvironmentVariables
We can use this command to open the environment panel to edit it.
We can use the command "set" to set it, like this.
set [<variable>=[<string>]]
set [/p] <variable>=[<promptString>]
set /a <variable>=<expression>