How Can I Install Linux Without a USB or DVD?

Honestly, your best bet is to buy a USB flash drive. It's pretty inexpensive, like around $8 at most stores. If you really want to avoid using a USB or DVD, there are options like using a virtual machine on your current Windows setup, or setting up a network boot (PXE) if you have access to another computer. But starting with a USB stick would make things a lot easier.

Getting a USB drive is definitely the simplest approach, but if you want alternatives, you could:
1. Use a tool like Ventoy to set up your HDD for booting.
2. Try partitioning your drive to create a bootable space, but honestly, that's more work than it's worth. Just get a USB.

You can consider three main options if you're set on avoiding USB or DVD:
1. **Virtual Machine**: Install something like VirtualBox or VMware on your Windows to run Linux directly.
2. **PXE Boot**: If you have two PCs, you can boot Linux over your network, but this is more advanced.
3. **GRUB2 Boot**: If you already have Linux, you can boot directly from an ISO file on your hard drive. But for a straightforward install, I still recommend a USB.

If you're really determined to skip USB or DVD, you could try looking up guides on using network booting or GRUB2. But I can't stress enough that having a USB stick makes the process a whole lot smoother!

Before diving in, just a heads-up—if you're not familiar with Linux, getting a cheap USB stick to make the install process straightforward is a smart move. You still have plenty of resources online if you want to explore other methods, but don’t forget to double-check that you don’t accidentally wipe your Windows during the Linux install!