"Your license key is not compatible with this version" or "License is expired or invalid", why?
1. If you are using it on a new Apple Silicon M1 Mac, you need to purchase a new license key which supports Apple Silicon M1 Mac.
2. If you are using it on another Mac, you need to purchase a new license key, because the activation is bundled with the hardware, it is why we state M3 BitLocker Loader for Mac is one license for one Mac at the purchase page.
3. If you are using it on the same Mac,
The lifetime license is only for the version you purchased, doesn't enjoy major upgrade (For example, V5 to V6), check it from the licensing FAQ. If you have not updated to macOS Big Sur, you can still use the old version, even lifetime. If you are using macOS Big Sur, you need to purchase a new license key or upgrade your license.
Now there is a chance to get US$59.95 coupon code to upgrade your license to lifetime license V6.2 or "lifetime license + lifetime upgrade" version. To purchase the upgrade, please contact [email protected] with your purchase email address and the previous order ID.