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I saw two versions for download on Node.js main page as below

Which one should I use and What's the difference?

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Kuo-lun
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  • Read the changelogs - looks like the v4 is stable and v6 has some more experimental features – Nick Zuber Jun 25 '16 at 03:33
  • Did you try a basic Google search before posting here? This question is asked a lot and there are many detailed descriptions of what the different levels/versions of node.js mean. – jfriend00 Jun 25 '16 at 03:43

2 Answers2

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You should go for LTS. LTS stands for long term support.

https://en.m.wikipedia.org/wiki/Long-term_support

Rohit Shedage
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On their website, they have a pretty decent (brief) list of changes from v5 to the current version v6.2.2. https://nodejs.org/en/blog/release/v6.0.0/

If you're planning on deploying your project in a production environment, stick with the LTS (Long Term Support) version. Otherwise feel free to use the latest version.

When the next odd-numbered version is released, the previous even-numbered version becomes LTS. v6.x.x will become LTS in October, 2016 with the release of Node v7 according to Node's LTS plan.