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+## Welcome to Challenge 17
+
+Welcome to the 17th Challenge 
+
+Today we will be leaning how to work with GitHub Desktop
+
+#### Brief Overview
+
+GitHub Desktop is a GUI that empowers *lazy* users who prefer not to work with the CLI to still interface with Git and GitHub.
+To learn more visit: [What the heck is Git GUI](https://help.github.com/en/desktop/getting-started-with-github-desktop)
+
+
+## Tasks
+
+- Download GitHub desktop
+- Create a new repository on GitHub
+- Add anything you want to your repo
+- Follow through all the GitHub workflow you know using the GUI (commit, branching, pulling, pushing etc)
+- Share a screenshot of your experience using github desktop on the issue created in prior challenges
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+## Welcome to Challenge 18
+
+Welcome to the 18th Challenge 
+
+Today we will be learning to work with GitHub Gist and Markdown
+
+#### Brief Overview
+
+GitHub Gist is two fold and you can either use it for sharing ideas or sharing smaple code. It supports **Markdown**
+To learn more, vist:
+- [Learn more about GitHub gist](https://help.github.com/en/enterprise/2.13/user/articles/about-gists)
+
+## Task
+
+- Create a gist writing on any software development related topic that interests you
+- Create a gist sharing a small code snippet in your preferred programming language
+
+## How to Submit
+
+- Create your submission a markdown file named ``gist-solutions.md`` and add it inside the branch ``your-username-details`` used in previous challenges
+- In your submission file add the links to your **2 gist**
+- Ensure you push it so that it reflects inside your Pull request created in previous challenges
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