covering the week's top tech stories with a slight linux bias microsoft is easing the requirement for windows subsystem for linux 2. instead of only working on windows 10 2004 or higher wsl is also now available for windows 10 1903 and 1909 users windows 10 users who wanted to work with the new windows subsystem for linux version 2 needed to have the latest feature update for windows the windows 10 may 2020 update aka windows 10 20 000 2004 but on august 20th microsoft made a surprise announcement wsl-2 has been back-ported to windows 10 1903 and 1909 as well as it turns out microsoft has been working on bringing sl2 sorry wsl-2 to 1903 and 1909 for the last few months they said in a blog post that the goal is for the back port to make wsl-2 available to more windows users the back port will be for x64 systems only those using arm 64 still need to use windows 10 2004 to get wsl 2. wsl-2 is a much reworked version of the original wsl it changes how linux distributions interact with windows as officials noted in today's post each linux linux distribution running on windows 10 can run as wsl1 or wsl2 and can be switched at any time according to microsoft wsl2 provides a full linux kernel built into wsl2 improved system call support for all linux apps including docker fuse rsync and more and improved file system performance to get wsl2 for 1903 and 1909 users simply need to check for updates via windows update you