I use W10 and a program called CD Burner XP (https://cdburnerxp.se/en/home) to burn my CD/DVD for Linux using their ISO’s (https://releases.ubuntu.com/18.04/). This is 1.98GB ISO and you will need DVD-R or a DVD+R, I usually use the DVD-R, because it is more readily available. You can install cdburnerxp in W10 and you can just drag and drop the ISO into the program and it will do the rest, and it will burn a live version of Ubuntu 18.04 that will boot your PC.
Repurposed Acer Ast 180 PC Take a look at this post I made, it is Windows Vista in a dual boot with Linux Mint, the same procedures are involved with W10, the only the big difference is in the partition tables of the drive, this one is for MBR while yours may be GPT and require a small EFI partition for booting.
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