Скачать или смотреть How to Install OS in Windows, MACOS and Linux

Installing an operating system (OS) varies depending on whether you are installing Windows, macOS, or Linux. Below are step-by-step guides for each system:

1. Installing Windows 🖥️🪟
Requirements:
A bootable USB drive (8GB+ recommended) or a Windows DVD
Windows ISO file (download from Microsoft's official website)
Steps:
Create a Bootable USB

Download Rufus (Windows) or use Media Creation Tool (from Microsoft's website).
Insert the USB and use Rufus to burn the ISO file.
Boot from USB

Restart the PC and enter BIOS/UEFI (press F2, F12, DEL, or ESC during boot).
Set the USB drive as the primary boot device.
Install Windows

Select Language, Time, and Keyboard settings.
Click Install Now and choose the disk partition to install Windows.
Wait for installation to complete, then follow on-screen instructions to set up Windows.
2. Installing macOS 🍏💻
Requirements:
A compatible Mac device
macOS Installer (download from App Store or Apple’s website)
Bootable USB drive (16GB+ recommended) (for clean install)
Steps:
Create a macOS Bootable USB (Optional for Clean Install)

Download macOS from App Store.
Use Terminal to create a bootable USB:
sh
Copy
Edit
sudo /Applications/Install\ macOS\ Sonoma.app/Contents/Resources/createinstallmedia --volume /Volumes/MyUSB
Replace Install\ macOS\ Sonoma.app with the correct macOS version name.
Boot into macOS Recovery Mode

Restart the Mac and hold Command (⌘) + R to enter macOS Recovery.
Select Reinstall macOS (or boot from USB if using a clean install).
Format and Install macOS (Clean Install)

Open Disk Utility → Select your drive → Click Erase and choose APFS or Mac OS Extended (Journaled).
Exit Disk Utility, then choose Install macOS.
Follow on-screen instructions to complete the setup.
3. Installing Linux (Ubuntu, Fedora, etc.) 🐧💾
Requirements:
Linux ISO file (download from the official Linux distribution website)
Bootable USB drive (4GB+ recommended)
Rufus (Windows) / Balena Etcher (macOS/Linux) for creating bootable USB
Steps:
Create a Bootable USB

Use Rufus (Windows) or Balena Etcher (macOS/Linux) to flash the Linux ISO onto the USB drive.
Boot from USB

Restart the PC and enter BIOS/UEFI (press F2, F12, DEL, or ESC).
Set the USB drive as the primary boot device.
Try or Install Linux

Choose Try Linux (to test without installing) or Install Linux.
Follow the installer steps:
Choose Keyboard & Language
Partition Disk (select "Erase disk" for automatic setup or create partitions manually)
Set Username & Password
Start the installation
Reboot & Set Up

After installation, remove the USB and restart the system.
Log in and enjoy your Linux OS!
Which OS are you installing? Need any help with boot issues?