For those of you who are still comfortable using the Windows 7 operating system and all computing needs have been able to be met by Windows 7, why should you switch to Windows 8? But if you really want to enjoy the latest Microsoft operating system, it could not hurt for upgrade to Windows 8.
Specifications and Hardware Compatibility
If you decide to upgrade to Windows 8 operating system, then the first thing you should do is check the compatibility and hardware specs you have. You should install the Windows 8 Upgrade Assistant to determine the readiness of the hardware you have.
Microsoft has provided minimum specification requirements for running Windows 8, at least make sure your specifications equal to or higher than the minimum specifications for Windows 8 below:
 Processor with a speed 1GHz or faster
 a minimum 1GB RAM for 32-bit versions and minimum 2GB for 64-bit versions.
 16 GB of hard disk space for windows 8 32-bit or 20GB for Windows 8 64-bit.
 The graphics card compatible with DirectX 9
 Monitor with a minimum resolution 1024 x 768 pixels and 1366 x 768 pixels is recommended.
Backup Your Old Operating System
If you've ever tried to use Windows 8 operating system before, we recommend that you make backups of your old operating system using software image backup such as Norton Ghost or Clonezilla.
Backup in the form image is quite important, because when Windows 8 installation fails or after using Windows 8 it does not match your expectations, then you can restore the operating system and its applications to restore the image file that you have created.
Consider Dual-Boot Windows 8 with Your Old Operating System
If at this time you are quite comfortable with Windows 7 and want to use Windows 8, you can install both operating systems on a single computer or a laptop with a dual-boot method.
Dual-boot itself is installing two operating systems in one computer or laptop where they can run alternately. Users do not have to worry about the dual-boot method because when a laptop or computer is turned on, the user is given a menu to choose which operating system to use.