Can't see Install MacOS and Reset NVRAM

I have a try to install MacOS Monterey with OpenCore, and created flash drive, but after boot I see only Windows load button. My configuration: Opencore: 0.7.5 MacOS Monterey Ryzen 7 1800x GeForce GTX 1050Ti 250GB SSD & 1TB HDD X370 Chipset Motherboard