Activation
Wait 10–20 minutes. This erases the volume and copies the bootable installer.
You can find copies like the macOS Catalina 10.15.5 ISO or the 10.15.7 version on the Internet Archive . Download Macos Catalina Iso File
| Software | Notes | |---------------|-----------------------------------------------------------------------| | | Create a new VM → Select “Apple Mac OS X” → macOS 10.15 → Use the ISO as the installer disk. Requires an unlocker tool (e.g., macOS Unlocker for VMware). | | VirtualBox (Windows/Linux) | Create a VM → Type: Mac OS X → Version: macOS 10.15 → Attach the ISO. Use a pre-built VirtualBox bootloader script for better compatibility. | | Parallels Desktop (Mac) | Directly uses the .app installer; no ISO needed. | Wait 10–20 minutes
At least 20 GB of free space on your Mac to handle the download and the conversion process. Use a pre-built VirtualBox bootloader script for better