The hard drive of your computer can be considered the brain of your system in general, and performs many important tasks. Your hard drive contains a copy of your operating system, any frequently used files and programs that you have downloaded over time, and many other parts that make up the brain of your system. However, your hard drive, like anything else, will eventually give up the ghost. Luckily, there are several ways to go about preserving your data before catastrophe hits, as well as maintaining your hard drive as well as possible in order to stave off what seems to be the inevitable.
To preserve your hard drive data, consider downloading and installing hard drive cloning software to your system. Clone your hard drive regularly, and save these cloned files to external media devices. This will preserve a copy of your OS, your favorite programs, and your saved files from the time you cloned the hard drive perfectly, and can be used as a backup computer brain if your actual hard drive should kick the bucket at an inopportune time. Indeed, you can even use a hard drive clone to surf the web when the actual drive in question has completely blanked out. Most computer settings are automatically set to boot from external drives before a hard drive is touched, so this is a nifty way to work around your C drive completely when necessary.
In addition, make sure that you add proper cyber security protection, like antivirus, anti malware, and firewall programs to your hard drive. These will keep most hard drive destroying cyber maladies at bay, and should allow many more months or years of service than you would ordinarily get from your hard drive. Know what you download and keep your hard drive well defended, and your need for the aforementioned clones should be minimal, at best.