ruby - How to restore or add the System variable - Windows 10 -


i've installed ruby , in user variables, can see path = c:\ruby22-x64\bin

however, when run ruby in cmd, says 'ruby' not recognized internal or external command, operable program or batch file.

i've accidentally deleted path in system variables , think that's why it's not working.

could guide me on how restore or add path in system variable?

thank in advance!

the default value is:

%systemroot%\system32;%systemroot%;%systemroot%\system32\wbem;%systemroot%\system32\windowspowershell\v1.0\

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