Even on a top build, Catalina has quirks. Here is how the pros fix them:
Issue 1: "This disk doesn’t use the GUID partition scheme"
Issue 2: Purple/Magenta tint on RX 6900 XT
Issue 3: Sleep Wake Failure (Darkwake)
Error: Stuck at OC: Driver XXX.efi or "Error allocating 0x12345 pages."
Fix: Your BIOS is reserving memory.
To make a top-tier PC behave like a Mac, you must tune the BIOS:
Searching "Hackintosh zone catalina top" implies you want the best right now. But a word of caution: Apple stopped security updates for Catalina in November 2022 (except for rare patches). hackintosh zone catalina top
If you are building a "daily driver" that touches the internet, you must install Opencore Legacy Patcher to force Catalina to accept newer security patches (a process called "Patched Catalina").
If you are frequenting forums or "Hackintosh Zone" style communities, you will see debates about bootloaders.
Use OpenCore 0.9.5 or newer. Your config.plist must have these specific patches for "Top" performance: Even on a top build, Catalina has quirks
Kexts (Kernel Extensions):
ACPI (SSDT Hotfixes):