PowerShell Install Linux from a running Windows system, without need for a live USB.
Tunic
Install Linux over or alongside an existing Windows install, straight from Windows,
without requiring to boot from external media like a flash drive or making BIOS configuration changes.
What Tunic Does
Validates your system meets Tunic requirements.
Asks all questions at beginning (so you don't have to babysit the install).
Offers full disk overwrite or dual boot arrangement.
If dual boot, shrink C: volume to make space for Linux.
Provides tools to assist with freeing up space for Linux.
Disables Windows fast start.
Provides Linux Mint, Ubuntu and most official Ubuntu flavors.
Downloads the Linux .iso file for you.
Installs Grub with Secure Boot support.
Calculates Linux equivalent values for your Windows locale and user account.
Reboots and runs the Ubiquity installer, automated, (fully in RAM with mounts to the iso removed).
If custom install type choosen, will provide Ubuntu's Ubiquity disk partiton GUI.
Before you start, make sure to backup up an image of your entire disk(s).
Tunic does not assist with full disk backup.
Read disclaimer for more information.
This software could inadvertantly and permanently destroy all data, leave a computer unbootable,
or otherwise leave a computer in an undesirable state.
This software comes as-is with absolutely no warranty.
Read sections 15, 16, and 17
of the GNU GPL version 3 license for more information.