Does Windows 10 Pro exist anymore?

Windows 10 Pro purchased product is no longer listed in Microsoft Store (Purchase made on February 21, 2020)

Is Windows 10 Pro free now?

Microsoft allows anyone to download Windows 10 for free and install it without a product key. It’ll keep working for the foreseeable future, with only a few small cosmetic restrictions. And you can even pay to upgrade to a licensed copy of Windows 10 after you install it.