Yep, you can encrypt your hard drives making them unreadable by thieves:
- Use FileVault for MACs: https://support.apple.com/en-us/HT204837
- Use BitLocker for Windows: https://www.windowscentral.com/how-use-bitlocker-encryption-windows-10 (note: not available for Windows Home Versions)
- Chromebooks are encrypted by default