Change search and new tab by yahoo in firefox

To change the default search engine and new tab behavior in Firefox to use Yahoo, you can follow these steps:

Method 1: Using the Firefox Options

  1. Open Firefox and click on the three horizontal lines () in the top right corner to open the menu.
  2. Click on "Options" (or "Preferences" on Mac).
  3. In the Options window, click on the "Search" tab.
  4. In the "Default Search Engine" section, select "Yahoo" from the dropdown menu.
  5. Click "OK" to save the changes.

Method 2: Using the Firefox Add-ons

  1. Open Firefox and click on the three horizontal lines () in the top right corner to open the menu.
  2. Click on "Add-ons" (or "Extensions" on Mac).
  3. Search for "Yahoo Search" in the add-ons store.
  4. Click on the "Install" button to install the Yahoo Search add-on.
  5. Once installed, click on the "Options" button next to the add-on to configure it.
  6. In the Options window, select "Yahoo" as the default search engine and new tab behavior.
  7. Click "OK" to save the changes.

Method 3: Using the about:config page

  1. Open Firefox and type about:config in the address bar.
  2. Click on the "I accept the risk!" button to proceed.
  3. In the search bar, type browser.search.default_engine and press Enter.
  4. Double-click on the result to set the value to yahoo.
  5. In the search bar, type browser.newtab.url and press Enter.
  6. Double-click on the result to set the value to https://www.yahoo.com/.
  7. Click "OK" to save the changes.

After making these changes, your default search engine in Firefox should be Yahoo, and your new tab page should also be set to Yahoo.