Most people use Audacity. Save files as mono track, 16-bit PCM, 44100Hz. Tons of quick tutorials on YT for Audacity. I’m not computer savvy, and I do decent with it.
Blade styles are separate and can be downloaded from https://www.fett263.com/index.html and then tweaked or changed in the blade editor if you so desire. https://fredrik.hubbe.net/lightsaber/style_editor.html