Enabling Salesforce MFA login requirement in a user using Permission set
Salesforce Article:
Create MFA requirement by permission set – https://help.salesforce.com/s/articleView?id=000358170&type=1
Salesforce Authenticator App dowload
Google Play – https://play.google.com/store/apps/details?id=com.salesforce.authenticator&hl=en&gl=US
App Store(apple) – https://apps.apple.com/us/app/salesforce-authenticator/id782057975
Mobile Emulator used – https://www.bignox.com/