Open xcode and in the top menu go to xcode > Preferences > Downloads and you will be given the option to download old sdks to use with xcode. You can also download command line tools and Device Debugging Support.
Read moreHow do I connect simulator in Xcode?
Open Xcode and click Menu > Xcode > Preferences > Select Components, and then choose the simulator version you want to download . When a simulator is opened from AppStudio, AppStudio Player automatically installs (if necessary) and opens in it.
Read moreIs there an iOS simulator for Mac?
3. iOS Simulator in Xcode . Apple’s homegrown Xcode software development environment for Mac comes with its own app simulator for iOS, tvOS, watchOS, and iMessage. … Mac users can directly launch their apps from the Xcode project.
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