Maho MH 300 C Retrofit...?

Using the Linuxcnc live ISO isn't the only way to install Linuxcnc. But it is usually by far the simplest one.

I agree that for a first time user, especially if you are not well versed in Linux, the Live ISO is the best way to go. It auomatically installs teh realtime patched linuxcnc Kernal, LinuxCNC and all the other stuff you might need. like an internet browser, email client etc. It is much simpler than setting up a windows box.
Mark

Okay. I'll follow your advice.
One more thing, do you think it is useful to put a CD player (reader) on the desktop that will be added to the machine (where I will install linux), or is it a component that is not lacking in this situation?

I wouldn't bother. You can do anything needed with a USB stick.

Ok. I already have two USB2.0 ports facing the outside, soon I will put two more also facing the outside but USB3.0
Here my PC (desktop) under the control panel.
Motherboard ASRock 970M Pro
AMD FX (tm) -6300 Six-Core 3.5Ghz Processor
4GB RAM
Sata Disk SSD 120Gb
Graphics Asus ... (???)
Graphics and disk are the same as previously mentioned. The rest of the components are new, the old pc did not support and did not have the necessary requirements.

I have a problem now, I can not format the computer with Linux operating system, I tried to boot from the pendrive but nothing, always goes by operating system that was already installed on the disk.
On the old computer I had no difficulty, but in this I am having