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Windows 10 backup:
To do so, open the Control Panel and search for “Recovery.” Click the Recovery icon and you'll see a list of advanced recovery tools. Click “Create a recovery drive” to create a USB recovery drive. You could also open the Start menu, type RecoveryDrive.exe into the box, and press Enter to access this tool directly.
You can view more here:
This is how to backup and restore your Quicken.
Yes, 16gb should be enough, but they do have this as a recommendation:
While the install files for Windows 10 take up just a few gigabytes, going through with the installation requires a lot more space. According to Microsoft, the 32-bit (or x86) version of Windows 10 requires a total 16GB of free space, while the 64-bit version requires 20GB. (To see which version you're running, open the Control Panel, click on System, then look under the “System type” label.)
And this is how to read/write dvds in windows 10.
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Did you have any other questions pertaining to this? I saw that you made another question about quicken.
If you look in the first response, you will see this link:
It not only shows you how to back up quicken for both Windows and Mac, but shows you how to restore it too.
If not, please rate at the top right of your page for stars so i can close out the question as resolved.
If you do have more questions, please reply here and we will go from there.