i have android phone but apple id. how can do Two-factor authentication

Two-factor authentication for Apple ID - Apple Support

What are the system requirements for two-factor authentication?

For the best experience, make sure that you meet these system requirements on all of the devices you use with your Apple ID:

iPhone, iPad, or iPod touch with iOS 9 and later

Mac with OS X El Capitan and iTunes 12.3 and later

Apple Watch with watchOS 2 and later

Apple TV HD with tvOS

Windows PC with iCloud for Windows 5 and iTunes 12.3.3 and later