(Free method only for STM32F0, STM32G0, and STM32L0 devices based on the Cortex-M0/M0+ cores and is limited to a code size of 256 KB.)
安裝完成後,Keil uVision5 (Run as administrator)> File > License Management
Click the button Get LIC via Internet..., then click the button OK to register the product. This action opens the License Management page on the Keil web site.
Not recommand
Enter the Product Serial Number 4RMW3-A8FIW-TUBLG along with your contact information and click the button Submit. An e-mail is sent back with the License ID Code (LIC) within a few minutes.
To activate the Software Product, enter the LIC in the field New License ID Code (LIC) of the dialog License Management... and click Add LIC.
Done
Download Keil from Keil web site
Turn off Windows Firewall (Antivirus software).
Download Keil Generic Keygen(KEIL_keygen.rar) (this Keygen activate the licesence to 2032) and turn off the Internet.