How to Install Windows 10 on a New PC (Complete A to Z Guide)

Installing Windows 10 on a new PC may look complicated, but if done step by step, it is simple and safe. This complete guide explains everything from creating a bootable USB to final Windows setup.

What You Need Before Installing Windows 10

• A PC or laptop
• Minimum 8GB USB pen drive
• Another working computer
• Stable internet connection
• Windows 10 product key (optional)

Windows 10 can be installed without a product key and activated later.

Step 1: Download Windows 10 ISO (Official)

Always download Windows from Microsoft’s official website.

Download link:

https://www.microsoft.com/software-download/windows10

Download the Media Creation Tool.

Step 2: Create Windows 10 Bootable USB

Insert the USB drive into the working computer.

Using Media Creation Tool (Recommended)

1. Run Media Creation Tool as Administrator
2. Select “Create installation media”
3. Choose language and edition
4. Select USB flash drive
5. Wait until bootable USB is created

Your USB is now ready for installation.

Step 3: Boot from USB Drive

Insert the bootable USB into the new PC.

Turn on the PC and press the boot menu key:

• F12 – Dell, Lenovo
• F9 – HP
• F8 / Esc – Some systems
• DEL / F2 – BIOS setup

Select the USB drive and press Enter.

Step 4: Windows Setup Screen

When Windows Setup starts:

1. Select language
2. Select time and keyboard layout
3. Click Install Now

If asked for product key, you can:

• Enter key now, or
• Click “I don’t have a product key”

Step 5: Select Windows 10 Edition

Choose the correct edition:

• Windows 10 Home – Personal use
• Windows 10 Pro – Office / business use

Click Next and accept license terms.

Step 6: Choose Installation Type

Select:

Custom: Install Windows only (Advanced)

This option allows formatting and partitioning.

Step 7: Partition & Format Disk (IMPORTANT)

You will see the disk partitions.

For New PC / Fresh Install

1. Select each existing partition
2. Click Delete
3. Unallocated space will appear
4. Select unallocated space
5. Click New
6. Create required partitions

Windows will automatically create:

• System partition
• MSR partition
• Primary partition (C drive)

Select the primary partition and click Next.

Step 8: Windows Installation Process

Windows will now:

• Copy files
• Install features
• Install updates
• Restart automatically

Do not remove USB until installation finishes.

Step 9: First-Time Windows Setup

After restart:

• Select region
• Select keyboard layout
• Connect to Wi-Fi (optional)
• Sign in with Microsoft account or offline account

Set a username and password.

Step 10: Desktop & Final Setup

Once desktop appears:

• Remove USB drive
• Install motherboard drivers
• Install graphics drivers
• Run Windows Update

Windows 10 installation is now complete.

Post-Installation Important Steps

• Activate Windows
• Install antivirus
• Install essential software
• Create restore point
• Backup system

Common Installation Problems & Fixes

PC Not Booting from USB

Check BIOS boot order and enable USB boot.

No Drive Found

Load storage drivers or change SATA mode in BIOS.

Installation Stuck

Restart installation and check USB integrity.

Conclusion

Installing Windows 10 is a systematic process. By following this A to Z guide, you can safely install Windows on any new PC without professional help.

Taking time during partitioning and setup ensures a stable and smooth Windows experience.