Some Install guide fixes/Updates

[Lili-Rossiter]

📋 Description

Fixes

1. V10, V14, V15 updated to include version specific instal instructions and info section added to match V13 docs (shown in image below)

2. V10, V14 Removal of bad char as shown image below

3. V16, V15 updated to include section below

4. V15, V16, V14 updated additional information images so that they no longer show v13 and .net 8 in them

📎 Related Issues (if applicable)

✅ Contributor Checklist

I've followed the Umbraco Documentation Style Guide and can confirm that:

• Code blocks are correctly formatted.
• Sentences are short and clear (preferably under 25 words).
• Passive voice and first-person language (“we”, “I”) are avoided.
• Relevant pages are linked.
• All links work and point to the correct resources.
• Screenshots or diagrams are included if useful.
• Any code examples or instructions have been tested.
• Typos, broken links, and broken images are fixed.

Product & Version (if relevant)

Deadline (if relevant)

📚 Helpful Resources

• 🧾 Umbraco Contribution Guidelines
• ✍️ Umbraco Documentation Style Guide

[eshanrnh]

Thanks for the PR, @Lili-Rossiter 🙌 The PR looks great. I have only one comment—let me know if it doesn't make sense.

[eshanrnh]

Awesome 🙌