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What is the 3-2-1 backup rule? (veeam.com)
How to set up your backup
Both Windows and Mac’s have inbuild features to help you back up your data.
For Windows see this article
Back up your Windows PC - Microsoft Support
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note: By default, Windows Backup will want to use OneDrive. To backup to a portable hard drive, see Step 4, plug in your portable hard drive, open Windows backup settings then in the File History section, Add a drive and then select it as the destination for your File History. |
For Mac see this article
Back up your Mac with Time Machine – Apple Support