Check your system requirements and choose the appropriate Windows version for your needs.
Check your system requirements and choose the appropriate Windows version for your needs.
On Windows 10 Pro, you have the option to choose whether you wish to receive updates.
It's unclear what price a key would cost, but Windows Server 2012 offers very little in the way of bloat. If you're looking for something different, you might want to explore other options.
Most users face issues with Windows 10 because they install it manually instead of letting it set up automatically.