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    This should be the accepted answer. The one chosen works for short variables and doesn't allow for copy and paste. Here you can do it as needed. Commented Jun 20, 2017 at 19:56
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    It shows the current path. Not the old one. Commented Nov 3, 2017 at 1:26
  • it doesnt show me the path at all :( Commented Oct 26, 2018 at 10:36
  • 1
    The WinAVR installer clobbered my PATH variable instead of appending to it... Worked for me, thanks for the save! Commented Feb 10, 2019 at 16:24
  • @shadowtalker, I had the same problem after installing WinAVR. Luckily, I had a command prompt window open from before installing WinAVR, so I got the contents of the old PATH by typing echo %PATH% Commented Nov 2, 2024 at 18:21