Although i saw it on youtube i can’t sculpt starting from a plain no matter what i do and what brush i use it still 4 ver and 1 face.
Please help.
Not sure I understand you correctly.
I would subdivide that plane into more faces. OR
If not.
Multiresolution modifier under the TOOL icon. Then in OBJECT mode you can you can use the subdivide button on the Multires panel. That should give you a nice sculpting surface.
Hope this helps.