Sorry to hear that! Rubbing alcohol can be used—in conjunction with a few other household items—to temporarily fix a cracked windshield, but the results aren’t always positive. Your best bet would be to purchase a windshield repair kit or at the very least cover the crack with clear packing tape.
But if you’re set on using rubbing alcohol, you’ll need to gather a few other things first, namely bug spray, salt, and water. Once you have those items, follow these steps:
Remember: this is not a permanent fix but a temporary one—you should still purchase a windshield repair kit to avoid allowing the crack to worsen over time.