1. Windows key, and search to locate the Anaconda Prompt app icon
2. RIGHT-Click on the Anaconda Prompt, and select, 'Run as Administrator'
(if you run the prompt without doing this you will get an error message that says that you do not have permission to write to the ProgramData directory)
3. In the Administrator Anaconda prompt command window type:
conda update -n root conda
4. After that command finishes, then:
conda update --all
(the update may take a few minutes depending on how long it has been since you last updated.)
After installing (or updating), launch the Anaconda Navigator from the Windows Start menu:
More information on jupyterlab can be found at:
See some reviews and links to presentations on jupyter lab here.