If you dont back up your setup regularly, you could lose these files forever.
Hence, we will talk about computer backup.
What Should You Back up in a Computer?

What should you back up in your system?
For more details:What to Back up on PC?
What Files Should I Back up?

Where Can Be Used as a Backup Destination?
Local Backup
1.
MiniTool ShadowMaker
Speaking of local backup, there is a greatbackup software MiniTool ShadowMaker for you.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
Step 2: ClickKeep Trialto continue.
Step 3: Go to theBackuppage.
MiniTool ShadowMaker chooses the operating system as the backup source by default.

To backup important data, you should probably click theSOURCEmodule and chooseFolders and Filesin the popup window to continue.
Step 4: Then you are required to choose a destination to save the backup image.
Thus, click theDESTINATIONmodule to go on.

In the popup window, you might find there are four destination paths to be chosen.
It is strongly recommended to choose an external hard drive.
Tip:MiniTool ShadowMaker can help you to create an automatic backup to provide better protection.

Step 5: Finally, select when to start the backup Back Up NoworBack Up Later.
you might go on according to the following instructions.
Step 1: TypeControl Panelin the search box and choose it to continue.

Step 2: Then, change theView bytoLarge iconsand chooseBackup and Restore(Windows 7)to continue.
Step 3: Click theSet up backupbutton to continue.
good idea to choose an external hard drive and clickNextto continue.

Step 5: There are two options Let Windows choose(recommended) andLet me choose.
Step 6: Next, you are required to choose what you want to back up.
Step 7: Then, click theSave parameters and run backupbutton to start to backup task.

But it’s crucial that you notice that almost all online backup services provide limited storage for you.
If you want more space for storing data, you oughta purchase it.
Here, we take Dropbox as an example to back up a computer.
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Step 1: Download Dropbox from its official website and install it on your PC.
Step 2: Open Dropbox.
Then, there are two options for you Make files localandMake files online-only.
you’ve got the option to choose one of them based on your needs.
Step 5: Click your avatar (profile picture or initials) in the top-right corner.
Step 6: A new window will appear.
Click theBackupstab from the tab menu.
you might check the folders you would like to backup after clickingSet up.
Step 7: Check the boxes next to the folders youd like to back up.
you could also clickAdd foldersto add other folders you want to back up.
Clone Disk
Now, we will introduce the third method to back up the computer.
And here, MiniTool ShadowMaker is capable of cloning the disk or the hard drive.
It even can help you to clone the dynamic disk, but just for thesimple volume.
After installing the software, it is time to clone the hard drive.
Step 1: Launch MiniTool ShadowMaker, clickKeep Trial.
Step 2: Go to theToolspage and chooseClone Diskto continue.
Step 4: Then choose a target disk to continue.
Step 5: After selecting the disk clone source and target, clickOKto continue.
Step 6: Then the disk cloning process will start.
c’mon wait patiently for the process to be finished.
How to Back up Mac Computer?
To back up your Mac, you’re free to use Time Machine or iCloud.
Then, we will introduces the steps for them.
Bottom Line
To sum up, this post has shown basic information about computer backup.