# GitHub Copilot app for Beginners: Using the diff, terminal, and browser

DevFeed: [GitHub Copilot app for Beginners: Using the diff, terminal, and browser](<https://devfeed.tech/articles/github-copilot-app-for-beginners-using-the-diff-terminal-and-browser-78.md>)

Original publisher: [Read original article](<https://github.blog/ai-and-ml/github-copilot/github-copilot-app-for-beginners-using-the-diff-terminal-and-browser/>)

Author: Kayla Cinnamon

Published: 2026-09-10T21:31:19Z

Content type: tutorial

Language: en

Sources: [GitHub Engineering](<https://devfeed.tech/sources/github-engineering.md>)

Topics: [GitHub Copilot](<https://devfeed.tech/topics/github-copilot.md>), [AI-assisted coding](<https://devfeed.tech/topics/ai-assisted-coding.md>), [dev-tools](<https://devfeed.tech/topics/dev-tools.md>), [web applications](<https://devfeed.tech/topics/web-applications.md>)

Tags: [ai-coding](<https://devfeed.tech/tags/ai-coding.md>), [ai-ml](<https://devfeed.tech/tags/ai-ml.md>), [github-copilot](<https://devfeed.tech/tags/github-copilot.md>), [github-copilot-app](<https://devfeed.tech/tags/github-copilot-app.md>), [github-copilot-app-for-beginners](<https://devfeed.tech/tags/github-copilot-app-for-beginners.md>), [pull-request](<https://devfeed.tech/tags/pull-request.md>), [review](<https://devfeed.tech/tags/review.md>), [web-browser](<https://devfeed.tech/tags/web-browser.md>)

## AI overview

A beginner-oriented guide to using the GitHub Copilot app's diff, terminal, and browser panels to review agent-made code changes, run a project, preview a web feature, iterate, and create a pull request.

## Source excerpt

Checking agent-generated code usually means hopping between tabs. Learn how to view diffs, run terminal commands, and preview web apps side by side in the GitHub Copilot app. The post GitHub Copilot app for Beginners: Using the diff, terminal, and browser appeared first on The GitHub Blog.