How to reinstall Windows10 Operating system in a Computer

You may notice your computer running Windows10 gets slow, lag, and freezing while you are using it. If you already check windows updates, viruses, and deleting temporary files yet doesn't help you may try this last resort.

Reinstalling the operating system will delete all unwanted programs and files that may worsening your computer's performance, unless there is a hardware component that is faulty that is causing it.

Before you start make sure you back up all your programs and files so you won't lose it.

You will need:

1. Working PC(at least 8gb free space on internal disk, running win7, 8 or 10 )
2. Internet Connection
3. 8gb flash drive (empty, Minimum capacity)
4. This Program Win10 - skip the ads and save the file

Use the program Win10 to create installation media:   
1. After download is complete locate the file and right click it and select run as administrator. Plug in an empty 8gb flash drive on the USB port and make sure its securely connected.(if it has files it will be wipe out)
2. If you agree to the license terms, select Accept.
3. On the What do you want to do page, select Create installation media for another PC, and then select Next.
4. Select the language, edition, and architecture (64-bit) for Windows 10 or leave defaults.
5. Select the flash drive you want to use.
6. The process might take 40 minutes or more depending on the Internet connection.   

Below are instructions how to install Windows 10 from a USB flash drive:
 
1. Turn off the system and connect the AC Adapter or Power Cord. Insert in the flash drive in the USB Port  that has the Operating System. Access the One Time Boot Menu of your by continuously pressing the F12(Dell, Acer, and Lenovo) or F10(HP) on keyboard as soon as you turn on the computer. 

2. Use the arrow down key to navigate and select the USB flash drive under UEFI Boot. (USB Partition 1 or Brand Partition 1, depending the brand of your Flash Drive) 

3. Computer will restart and show you the Windows installation page. Click on install now. 

4. Select language, keyboard layout, terms and agreement to proceed. 

5. Click on Custom install.

6. Delete all partitions listed on the screen until "Unallocated Space" remain. 

7. Select the Unallocated Space and continue with the set up. (For system that has 2 physical drives remember the capacity of the OS Drive - C Drive, so we can locate where we will install the Operating System)

8. Windows will show five parts of the installation.

Copying Windows Files
Getting Files ready for installation
Installing features
Installing updates
Finishing up
(Computer may restart several times during the installation) 

9. System setup will appear after the installation. (Wifi setup, Cortana setup, Account setup, etc.)

Windows will automatically validate the product key(embedded from the motherboard) from Microsoft Activation Server and Activate Windows after it connects to Internet.