Wiki.Net

Add to your project's csproj.

<ItemGroup>
  <PackageReference Include="Wiki.Net" Version="4.1.0"/>
</ItemGroup>

string searchString = "Computer";
WikiSearcher searcher = new();
WikiSearchSettings searchSettings = new() {RequestId = "Request ID", ResultLimit = 5, ResultOffset = 2, Language = "en"};

WikiSearchResponse response = searcher.Search(searchString, searchSettings);

Console.WriteLine($"\nResults found ({searchString}):\n");
foreach (WikiSearchResult result in response.Query.SearchResults)
{
  Console.WriteLine(
                $"\t{result.Title} ({result.WordCount} words, {result.Size} bytes, id {result.PageId}):\t{result.Preview}...\n\tAt {result.Url.AbsoluteUri} and {result.ConstantUrl.AbsoluteUri}\n\tLast edited at {result.LastEdited}\n");
}

Console.ReadLine();