title: How to install Jupyter Lab/Notebook on Windows 10?
body: <p>I have been using R/Python and Jupyter Lab/Notebook on Macbook. In my new job, I need to install and run these applications on Windows 10.</p>
  <p>I have Python, pip, Jupyter, R4.1 &amp; RStudio installed manually (not through Anaconda). I try to execute step 2/3: Making the kernel available to Jupyter based on <a href="https://irkernel.github.io/installation/#binary-panel" rel="nofollow noreferrer">installation guide</a>. I got error message in R Console.</p>
  <pre><code>&gt; IRkernel::installspec()
  Error in IRkernel::installspec() : 
    jupyter-client has to be installed but “jupyter kernelspec --version” exited with code 127.
  In addition: Warning message:
  In system2(&quot;jupyter&quot;, c(&quot;kernelspec&quot;, &quot;--version&quot;), FALSE, FALSE) :
    '&quot;jupyter&quot;' not found
  </code></pre>
  <p>Appreciate your advice.</p>