Apple still offers an iTunes version with App Store, Ringtones and other features removed in ‘focused’ iTunes 12.7 & support of iPhone 8, iPhone X and iOS 11 devices

Source: https://9to5mac.com/2017/10/09/apple-itunes-apps-focused-removed-stopgap/

Apple Support Document: https://support.apple.com/en-gb/HT208079

Download Link for Mac:
https://secure-appldnld.apple.com/itunes12/091-33628-20170922-EF8F0FE4-9FEF-11E7-B113-91CF9A97A551/iTunes12.6.3.dmg