Hi @Khushboo Kumari,
1.Create a SharePoint Team Site: Create a SharePoint site.
2.Go to site content->site pages.
4.Enter your page name and put related knowledge in this new page. Don't forget to click save.
5.Please follow step3-step4 to create all your wiki pages.
8.Go to Site content->New-> App. Search for Wiki Page Library. If there are no results, click on classic experience.
9.Open this Wiki Page Library and click Edit.
10.Insert ->Link. Enter the displayed text and a link to the corresponding page in site Pages.
11.Add links to all pages and click Save when you are done.
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