Important!: If you don’t have Xcode installed yet also download and install 10.1 (you can do this by exacting the. Log-in your Apple account and download Xcode 10.2.1 (or whatever is the latest) Please note that we won’t be using the App Store to do this Step 1: Presenting: Installing/Updating Xcode 10.1 to Xcode to 10.2.1 on Mac OS High Sierra (10.13.6) or Mac OS Mojave (10.4.0)

We found that these steps work for us and we cannot guarantee if it will work for you. This is not in anyway supported by Apple as they have specifically set the new version of Xcode 10.2.1 for the latest OS only. Please do note however that this is a workaround. We at CodeWithChris however, found a solution to this dilemma! Recently Apple has updated Xcode to only work with the latest Mac OS Mojave (10.4.4), this means that developers who have old Macs won’t be able to update their OS and develop in Swift 5 using Xcode 10.2.1. If your question is “How to update Xcode 10.1 to Xcode 10.2.1?” then you have come to the right place!

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