No. SharpDevelop 4.4 is a 32-bit application, but it runs fine on 64-bit Windows.
It includes a reliable debugging engine that allows you to set breakpoints, inspect variables, and step through code. 4. WPF and WinForms Designers
Yes. SharpDevelop 4.4 has built-in NuGet 2.7.2 (updated to 2.8.5 in v4.4.2).