.NET as integrated OS components (Green: optional, on by default; Red: optional, off by default):
XP SP1 (Media Center & Tablet PC) 1.0 + SP2 XP SP2 (or higher, Media Center & Tablet PC) 1.0 + SP3W2K3 (x86) 1.1W2K3 (x64) NoneVista 2.0 & 3.0Vista SP1 2.0 SP1 & 3.0 SP1Vista SP2 2.0 SP2 & 3.0 SP2W2K8 (and SP1) 2.0 SP1 & 3.0 SP1 W2K8 SP2 2.0 SP2 & 3.0 SP2W2K8 R2 3.5.1 (2.0 SP2 & 3.0 SP2 & 3.5 SP1)Win7 3.5.1 (2.0 SP2 & 3.0 SP2 & 3.5 SP1)Win8 4.5 & 3.5 SP1Not truly integrated OS components:
XP SP1 (Home & Professional) 1.0 + SP2 (on the installation CD)XP SP2 (SP3, Home & Professional) 1.1 + SP1 (on the installation CD)W2K3 R2 optional MSI-based 2.0