GNU/Linux openSUSE Installing NET Framework 4.8 – Step by step Guide
How to Install ASP.NET 4.8 Framework with Wine in openSUSE GNU/Linux desktops – Step by step Tutorials.
And this Setup is based on the Winetricks Helper Script to Download and Install NET 4.8 Framework for openSUSE.
So then, possibly follow instructions to Install the required WineHQ on openSUSE Computers.
Finally, the NET 4.8 Framework it’s an Essential component of many Microsoft Software Setup by Wine on openSUSE.

1. Accessing Shell
Open a Terminal window
(Press “Enter” to Execute Commands)
2. Installing Winetricks
How to Install Winetricks in openSUSE
3. Installing NET Framework 4.8
Then to Install NET 4.8 Framework in openSUSE
Simply runwinetricks dotnet48
Authenticate with the User’s Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
Especially relevant: to Install it into a Custom Wine Prefix follow instructions on the Winetricks Getting Started Guide about Installing Software.
So Now I’m truly Happy if My Guide could Help you to Install NET 4.8 Framework on openSUSE Linux.