set environment variable windows cmd code example

Example 1: how to create env variable from cmd

set varname
set varname=value
set varname=
set

Example 2: set environment variable windows command line

setx EC2_CERT "%USERPROFILE%\aws\cert.pem"

Example 3: how to change environment variables in windows 10

Open the Start Search, type in “env”, and choose “Edit the system environment variables”:

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