Backup of computer

If you wanna backup your system like D and F drives follow the steps,

1.Click on my computer icon.
2.Left click on the drive which you wanna backup and go to properties
3.Go in Tools tab there you will See three buttons
i. check now
ii. defragment now
iii. backup now
4. Choose backup now and take backup of both the drives on external drive.
If one of the drive is your system drive then no installed application will be recovered in backup.

types of backup

incremental backup update backup file
daily backup daily fixed time backup
normal backup Copy and past backup
full backup any timE full hdd backup