How to format your computer and laptop : window 7 8 10 format

some time due to the virus attack on our computer and laptop our device may run slow or stop working. when you try to open any software in your device it opens very slow . in these types of situation we have no other option 5than format our device here is a simple way of the format of you pc. for this you should have bootable Pendrive or window cd.

these are the steps to follow
>> insert pen drive or cd in your device
>> restart it if you are using pen drive then you should go to bios menu for this press F12 simultaneously while restarting your device
>>bios menu is open
>> select you pen drive
if you using cd you do not need to do this
>>select next
>>install now
>>select custom install
>> now you can see partitions of you HDD
>>select partition in which corrupted file is installed and format
>>now your old window is completely erase

 In this case, your data may not be saved. if you don't do this your whole device may damage you HDD definitely damage. as you know how expensive HDD is. if you have problem please comment down.