Seems the MWDR and .Net go hand-in-hand.
Yep. The .NET Desktop Runtime is for Windows only, and it includes the .NET Runtime, which can be installed on other operating systems as well.

Download .NET 7.0 (Linux, macOS, and Windows)
.NET 7.0 downloads for Linux, macOS, and Windows. .NET is a free, cross-platform, open-source developer platform for building many different types of applications.

My Computer
System One
-
- OS
- Windows 11 Pro 24H2 [rev. 4351]
- Computer type
- PC/Desktop
- Manufacturer/Model
- Intel NUC12WSHi7
- CPU
- 12th Gen Intel Core i7-1260P, 2100 MHz
- Motherboard
- NUC12WSBi7
- Memory
- 64 GB
- Graphics Card(s)
- Intel Iris Xe
- Sound Card
- built-in Realtek HD audio
- Monitor(s) Displays
- Dell U3219Q
- Screen Resolution
- 3840x2160 @ 60Hz
- Hard Drives
- Samsung SSD 990 PRO 1TB
- Keyboard
- CODE 104-Key Mechanical with Cherry MX Clears
- Antivirus
- Microsoft Defender