A: Check to make sure your Install macOS High Sierra App is the correct one. It should be around 5GB in size. If you used the 'Skip App Verification' option, you have most likely selected an invalid app that doesn't contain the necessary files. Q: I cannot open my copy of Install macOS High Sierra with the patch tool. Aug 07, 2020 Configuring Your VirtualBox to Run macOS High Sierra. We’ve made a lot of progress so far, and now it’s time to configure your virtual machine properly. You’ll see in the main window of VirtualBox that “High Sierra” is listed. Click on this and then click on the “Settings” button. Jul 31, 2021 How to Configure macOS High Sierra VM in VirtualBox. The Oracle VM VirtualBox program is a free and constantly evolving program. You can run Apple MacOS operating system on Windows operating systems using VirtualBox. Creating a new VM on VirtualBox is easy and simple. Jan 05, 2021 The macOS High Sierra 10.13.3 update improves the security, stability, and reliability of your Mac. This update: Addresses an issue that could cause Messages conversations to temporarily be listed. Dec 01, 2020 Step Eight: Log Into macOS High Sierra. Eventually the virtual machine will reboot again, this time into macOS High Sierra. If that doesn’t happen, try ejecting the ISO from the Virtual Machine. When High Sierra does boot, you’ll need to go through choosing your country, setting up a user, and the rest of the initial setup process.