Microsoft Edge browser add new search engine like Brave Search or Startpage

- Open Edge
- Open Settings
- In left menu click "Privacy, search, and services"
- Click "Address bar and search" at bottom
- Click "Manage search engines"
- Click Add button
- For name put in Brave
- For keyword put in search.brave.com - Put this in last box

https://search.brave.com/search?q=%s

- For keyword put in search.brave.com
- Click add button
- The search engine is now added, but not set to default yet!
- Find it in the list, click the 3 dots next to it and pick Make Default

Brave is now your default search engine in brave.

Here is the search string for Startpage

https://www.startpage.com/sp/search?query=%s

Here is the search string for Webcrawler

https://www.webcrawler.com/serp?q=%s