C# .NET dll to gather computer information

.NET class library needed with calls that determine each of the following: Total Memory Free Memory port 2080 open (Yes/No) port 8099 open (Yes/No) windows firewall on (Yes/No) third party firewall on (Yes/No) QuickBooks version, Installed applications antivirus software name virtual environment (Yes/No) internet speed up internet speed down DNS servers Please read the project first and write the word "Understood". Also write your steps and suggestions to complete the project with a short description of what you understood.