installation windows 8 and 7 (using usb and dvd writer)

operating system is a collection of software that manage pc or laptop hardware. without O.S we could not using pc for work. most popular O.S in market is android, microsoft windows,Mac OS X,Linux,window phone , iOS.

Operating system can be classified as:

• multi-user : allows two or more users to run programs at the same time.
• multiprocessing : support running a program on more than CPU.
• multitasking : allows more than one program to run concurrently.
• multithreading : allows different parts of a single program to run concurrently.
• real time : responds to input instantly. general-purpose operating systems.

pc operating system flow chart

usb tutorial using cmd

tools needed

• a pendrive with more than 4gb spaces
• iso image of windows or windows dvd/cd
• lastly , patient

FORMAT

1. plug your pendrive into pc usb hub
2. open command prompt(CMD) as administrator



3. type disk part to enter disk partition command line tool



4. type list disk to reveal of all active disk (my usb is in disk 1)
5. type select disk #(example select disk 1)
6. clean (remove existing partition in disk)
7. create partition primary (create new partition with default parameters)



8. select partition 1 (focus on newly created partition)
9. active (sets the infocus partition to active)
10. format fs=ntfs (format usb with ntfs)

11. assign (give usb drive a windows volume)
12. exit (quit diskpart)

INSERT WINDOW

1. insert windows 7 or 8 into dvd drive / download windows 7 or 8
2. copy all windows 8 or 7 data into the usb

BOOT

1. restart pc
2. enter setup by pressing  F2
3. enter boot priority and set the usb into first priority by pressing F5/F6
4. save by pressing F10

you also can enter boot setup by pressing F12 but different pc is different key.

DVD Writer

1. insert dvd into dvd drive
2. restart pc
3. enter setup by pressing  F2
4. enter boot priority and set the dvd drive into first priority by pressing F5/F6
5. save by pressing F10

comment: very easy maaa. my kid oso can do this 10 year old .just kidding(if this information help you ,it help me too)