Cloning Hard Drive - PC or Mac
You can clone your hard drive if you need to transfer your data or have a backup on hand.
There are several excellent services for backing up your files, but there are times when you need something a little more secure. You might be migrating your Windows installation to a new drive, or you might just want a full one-to-one copy in case something goes wrong. In those cases, cloning your hard drive is the best option, since it creates an identical copy that you can swap in and boot up right away.
Some backup services, such as IDrive and Acronis, provide disk-cloning capabilities in addition to regular file backups. However, in this guide, I will discuss some free tools designed specifically for drive cloning. Check out one of the paid solutions if you want a true backup solution with additional cloning functionality. However, for one-time copies (such as converting your OS to a new drive), these tools will suffice.
Most of the time, your destination drive would need to be the same size as, if not larger than, your source drive. If it isn't, you'll have to make room on your source drive and shrink the main partition to suit.
Note: If you need to move from a hard drive to a smaller SSD drive, please let me know and I'll try to help you with that as well.
For Windows Users
There are several excellent cloning tools available for Windows users, but I'll focus on Macrium Reflect Free. It's open, simple to use, and widely popular, so it's difficult to go wrong.
Download the Home Use installer at Macrium and run it to install Macrium Reflect. It's just a small program that will download the installer for you depending on the license form you choose. Click the Update button after selecting a temporary folder for these files, such as download foler.
When it's finished, it'll immediately open the Macrium installation wizard, which you can skip ahead to—the default options should suffice for our needs. If the wizard has completed, you can securely uninstall all of the installer files from your Downloads folder.
Cloning Process - Step-1
You'll see a full list of the disks attached to your device when you open Macrium Reflect. You have two key choices: clone a disk directly to another or generate an image of a disk. Cloning allows you to boot from a second disk, which is useful for moving files between drives. Imaging, on the other hand, allows you to store as many complete, one-to-one copies of your source disk as the destination's storage space permits, which is useful for backups.
Select the disk you want to copy and press "Clone This Disk" or "Image This Disk," making sure to check the leftmost box if your disk has several partitions.
Cloning Process - Step-2
Choose your destination disk in the next window, which will hold your newly copied files. Keep in mind that selecting this option will delete all data on the disk, so choose wisely. If the drive contains any old files, select it and press the "Delete Existing Partitions" button until it is empty.
If you're cloning to a larger drive, go to the bottom of this window and press the "Cloned Partition Properties" button to expand your main partition to fill the entire disk.
Cloning Process - Step-3
On the next tab, you'll be asked if you want to schedule this clone, which is useful if you want to picture your drive on a regular basis for backup purposes. Since I'm only doing a one-time clone, I've skipped this phase. You can also save the backup and its schedule as an XML file for safekeeping on the next page, but I unchecked that option because I'm only doing this once for now.
Cloning Process - Step-4
Macrium Reflect will then start the cloning process. Allow enough time for this to complete, depending on the capacity of your hard drive. You should now be able to boot from your cloned drive by choosing it in your BIOS. You should actually keep the second drive linked for potential image backups if you're imagining your drive.
For Mac Users
If you're using a Mac, I highly advise you to use SuperDuper for all of your cloning needs. It's online, easy to use, and has been around for quite some time. To install the program, download it, open the DMG file, and double-click on the icon. (Do not drag it to your /Applications folder, like you would most Mac apps; instead, double-click it to install it.)
When you launch SuperDuper after it's been built, you'll be greeted by its surprisingly simple and intuitive interface. Pick the source disk you want to clone from the first menu, next to "Copy." Pick the destination disk you're cloning to in the second menu—this will completely delete the drive in the second menu, so make sure there's nothing important on it! Click the "Copy Now" button when you're finished. The procedure will start.
This will take some time, but once it's over, you have two options. If you want to replace your Mac's internal drive with the new drive (for example, if you're migrating to a larger drive), you can do so now and boot up normally.
Hold the Option key as your Mac starts up and select your cloned drive from the boot list. Your cloned drive will be in the same condition as your machine during the cloning process, so you won't have to stop working.
Hopefully, the information given above will be useful in your cloning needs.

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