Shut down your MacBook, replace the old hard disk with the new one

You will find Disk Utilities (that you will need to reformat your new hard disk), a link to restore from Time Machine, and Safari, so you can get help from the web.4

The hard disk have partitions made by previous user, an entire Windows system had ever been installed on it

Excellent, work great in my HP DV2000, the original hard disk was a 120gb

You should see your hard disk, a recovery partition on your hard disk (which you won't be able to use because you will remove it), the recovery partition on the USB

Excellent, work great in my HP DV2000, the original hard disk was a 120gb

I needed to find a larger hard disk drive for my laptop

If you are very confident of your backups, you may want to erase your hard disk now to destroy any sensitive information because you won't be able to do it once you take it out.5

I changed my toshiba laptop hard disk with this one.. and works perfect with no issues

The hard disk arrived on time and it is working as expected.

I changed my toshiba laptop hard disk with this one.. and works perfect with no issues

Same model number as the old disk.

Excellent hard disk!!!

Excellent hard disk!!!