Before you start
- Google Chrome
Method 1 Chrome on a computer
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Step 1: Open Search engine settings
Click ⋮ > Settings > Search engine.
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Step 2: Choose the engine
Under Search engine used in the address bar, click Change or pick from the list.
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Step 3: Add a custom one
Click Manage search engines and site search > Add next to Site search, enter the name, shortcut and URL with %s for the query, then click ⋮ > Make default.
Method 2 Chrome on Android and iPhone
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Step 1: Open settings
Tap ⋮ (Android) or ⋯ (iPhone) > Settings > Search engine.
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Step 2: Pick one
Tap the engine you want.
Troubleshooting
The setting is greyed out
It’s controlled by a policy: either your organisation or unwanted software. Check chrome://policy; if you don’t recognise the policies and it’s your personal PC, scan for malware.
Frequently asked questions
Does this change Google’s homepage?
No. The startup page is separate: Settings > On startup.
Can I use different engines in Incognito?
Incognito uses the same default.
Summary
Go to Chrome Settings > Search engine and choose your engine, or add a custom one under Manage search engines. If it keeps changing, remove suspicious extensions and scan for adware.