Anaconda 64 Bit for Windows is available here:
Follow the onscreen instructions to install in Microsoft Windows. After installing, go to start and select the Anaconda folder, select the Anaconda Powershell prompt:
In the powershell prompt type in:
Press y to continue.
Once Anaconda is updated, you can now go ahead and update Spyder by typing in:
A large number of packages will be listed:
Once again type y to continue:
Spyder should now be updated and you can close Powershell: