How to copy songs from iPhone to my iTunes on windows?

I've downloaded the new iTunes version on my laptop(windows) but then I lost all of my songs on my iTunes. But i still have some songs on my iPhone but i never tried to sync my iphone with my laptop.since that time i prefer to buy songs from itunes from my iphone than download from laptop and sync it to my phone. But now how can i move all my songs from my iphone to my laptop, so that i can manage some songs from the laptop? Please i need your help.

Look it up on YouTube or search it on google it's possible

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