Update installation guide

[g-samroberts]

Summary

Update installation guide to add system requirements and remove unnecessary technical details for developers.

Closes #16933

Pre-Merge Checklist

• Updated relevant documentation and README (if needed)
• Added/updated tests (if needed)
• Noted breaking changes (if any)
• Validated on required platforms/methods:
  • MacOS
    • npm run
    • npx
    • Docker
    • Podman
    • Seatbelt
  • Windows
    • npm run
    • npx
    • Docker
  • Linux
    • npm run
    • npx
    • Docker

[gemini-cli]

Hi there! Thank you for your contribution to Gemini CLI.

To improve our contribution process and better track changes, we now require all pull requests to be associated with an existing issue, as announced in our recent discussion and as detailed in our CONTRIBUTING.md.

This pull request is being closed because it is not currently linked to an issue. Once you have updated the description of this PR to link an issue (e.g., by adding Fixes #123 or Related to #123), it will be automatically reopened.

How to link an issue:
Add a keyword followed by the issue number (e.g., Fixes #123) in the description of your pull request. For more details on supported keywords and how linking works, please refer to the GitHub Documentation on linking pull requests to issues.

Thank you for your understanding and for being a part of our community!

[gemini-code-assist]

Summary of Changes

Hello @g-samroberts, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the Gemini CLI installation guide by adding crucial system requirements, ensuring users have a clear understanding of the necessary environment. Concurrently, it streamlines the documentation by removing advanced technical details concerning deployment architecture and the release process, making the guide more accessible and user-friendly for its primary audience.

Highlights

• Documentation Clarity: Introduced a new 'System requirements' section to provide essential prerequisites for Gemini CLI installation.
• Content Streamlining: Removed detailed technical sections on 'Deployment architecture' and 'Release process' to focus the guide on end-user installation.
• Wording Improvement: Updated the heading for the standard installation method from 'standard users' to 'most users' for better clarity.

Changelog

• docs/get-started/installation.md
  • Added a new 'System requirements' section.
  • Removed the 'Deployment architecture' section.
  • Removed the 'Release process' section.
  • Updated the heading for the standard installation method.
  • Removed an unnecessary horizontal rule.

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[gemini-cli]

Hi @g-samroberts, thank you so much for your contribution to Gemini CLI! We really appreciate the time and effort you've put into this.

We're making some updates to our contribution process to improve how we track and review changes. Please take a moment to review our recent discussion post: Improving Our Contribution Process & Introducing New Guidelines.

Key Update: Starting January 26, 2026, the Gemini CLI project will require all pull requests to be associated with an existing issue. Any pull requests not linked to an issue by that date will be automatically closed.

Thank you for your understanding and for being a part of our community!

[gemini-code-assist]

Code Review

This pull request updates the installation guide by adding a system requirements section and removing technical details about deployment and releases. This makes the guide more focused on end-users. The changes are generally good, but I've identified a high-severity issue with the listed system requirements for macOS and Windows, which are likely incorrect and could cause significant confusion for users.

[gemini-cli]

Thank you for linking an issue! This pull request has been automatically reopened.

[github-actions]

Size Change: -2 B (0%)

Total Size: 24.4 MB

ℹ️ View Unchanged

Filename	Size	Change
./bundle/gemini.js	24.4 MB	-2 B (0%)
./bundle/sandbox-macos-permissive-open.sb	890 B	0 B
./bundle/sandbox-macos-permissive-proxied.sb	1.31 kB	0 B
./bundle/sandbox-macos-restrictive-open.sb	3.36 kB	0 B
./bundle/sandbox-macos-restrictive-proxied.sb	3.56 kB	0 B
./bundle/sandbox-macos-strict-open.sb	4.82 kB	0 B
./bundle/sandbox-macos-strict-proxied.sb	5.02 kB	0 B

_{compressed-size-action}

[yunaseoul]

LGTM overall! Just dropped a couple of nits for your consideration.