1. Open a command prompt or PowerShell. (You shouldn’t run as admin since this is based for the specific user). 2. Copy and paste the command below into the command prompt or PowerShell for the .exe file of the WSL distro name (ex: “Debian”) you want to set the default user for, and press Enter. (You can replace root with any user you’d like) [Ubuntu] > ubuntu config --default-user root