Guys what is the minimum requirements for installing hackintosh i mean.
Lowest processor that can support macos.
Lowest ram
Lowest graphic card.. Does hackintosh really need graphic card is it mandatory
That depends on what version of MacOS you wish to run.
For example, Core 2 Duo / Core 2 Quad CPUs (7xxx / 8xxx / 9xxx) from the socket 775 era more than 10 years ago are officially supported up to MacOS High Sierra 10.13.6.
Some people have gotten them to work with MacOS Mojave by replacing some files by those from a High Sierra installation :
Successfully built a hack of macOS Mojave 10.14.2 on this (old but not dead) Gigabyte EP45-UD3L (rev 1.0) motherboard with a Core2Duo E8400 CPU and GTX 650 Ti GPU. It was done with plenty of trial and error, but it’s now virtually flawless. Here’s my lessons learned. Presumption you are...
www.tonymacx86.com
As for graphics cards, if the CPU you use has supported CPU integrated graphics (e.g. HD4000 from selected 3rd generation Ivy Bridge i3 / i5 / i7 CPUs 8 years ago) and your motherboard has supported graphics output port (HDMI / DisplayPort) then you can use CPU integrated graphics with up to Mojave and Catalina and no discrete graphics card is required.