How to dualboot with Windows on a system where you can't select an EFI file in the BIOS

In some cases (mainly on Acer and Vaio systems), when you install Windows, that'll become the default boot option with no option to change it back to OpenCore or to select an EFI file in the BIOS. There is a way to get past this and make OpenCore your default boot option. Here's how:

First, before you install Windows, enable LauncherOption in your config.plist (Misc -> Boot -> LauncherOption -> Set to "Full")

Now, install Windows. Make sure it's installed as UEFI. Afterwards, open CMD as administrator and run the command bcdedit /set "{bootmgr}" path \EFI\OC\OpenCore.efi. Reboot your computer, and you should now get the OpenCore bootpicker. Do note that if you remove your macOS drive or insert a drive where only Windows is installed and you remove your other boot drive, when you reconnect your macOS drive, you will need to re-run that command in Windows.

Tested and is working on my Vaio SVF15A15CDB.