I've created a How to walkthrough of the entire process of using OCLP to install macOS Monterey Beta on an Early 2013 MacBook Pro 15" equipped with an HD4000.
Chapters!
0:00 Intro
0:30 Monterey drops support for 2013-2014 Macs & Bluetooth, WIFI and HD4000 drivers
1:26 OCLP macOS Monterey Requirements & Compatibility!
3:33 Start of live demo upgrading an Early 2013 MacBook Pro to Monterey
4:47 Downloading full installer of macOS Monterey Beta InstallAssistant.pkg
6:03 Create macOS Monterey USB Flash drive installer
9:08 Patch Monterey USB Installer EFI for booting to installer
12:00 Enabling Auto Login for HD4000 GPU Macs to prevent windowserver crash
13:01 Boot to Monterey USB installer for start of upgrade
14:04 You can install to a 2nd partition if you have a fully supported OCLP Mac
14:52 Start macOS Monterey Beta upgrade
15:18 Made it to macOS Monterey! A few things left to do.
16:00 Install Volume Patch if you have intel HD4000 Graphics
16:53 Install OCLP to your internal drive so you don't need the USB boot drive anymore.
18:00 Setting OCLP EFI as the default boot disk
18:55 Turning auto login off after HD4000 patch is installed
19:40 Updating with OTA Beta updates & Updating OCLP app
20:30 Final thoughts and thank you to all OCLP Developers!