Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to mirror a hard drive [title] Decide if you want to create a mirrored drive on your existing hard drive or on a separate, external drive. [title] Download or purchase the necessary software. [step] There are many inexpensive software solutions that will streamline the process down to just a few clicks.

Ending1: Some of the free applications, such as microsoft attorney and computer virtual drive, are to be downloaded or used. Don't be shy about purchasing them from the popular website and following the instructions in the installation, or look up certified gotech software to reference. Ending2: Some software solutions will cost between $60 and $75. The concept is that you can click on the " applications " icon in the dock or click the " accessories " icon in the upper right hand corner. Ending3: Choose a software program that provides a reliable backup and disaster recovery of systems, applications, settings and personal files. [title] If you want to create a mirrored drive on your existing hard drive, you will first need to partition your hard drive. Ending4: If using an external drive, make sure it works well for you and your hardware. [title] Clean the drive and every part it leaves behind.

Answer format: ending1/ending2/ending3/ending4