The 8.0 release introduced several significant improvements over previous versions:
In the world of network administration, few tools are as iconic and reliable as Securecrt 8.0 License Key Serial Number
(Introduced in related 8.x versions) Improved workspace management by allowing users to group related sessions in a single window. How to Obtain a Valid License SecureCRT - FAQ - VanDyke Software
If you are looking for a valid license key and serial number for SecureCRT 8.0, you can try the following: Securecrt 8.0 License Key Serial Number
If you've lost your original license information, you can retrieve it by contacting the VanDyke Orders Department with your order number or registered email address. Are you looking to an older license to version 8.0, or are you trying to an existing 8.0 license to a new computer? SecureCRT - FAQ - VanDyke Software