Go to -> Manage -> Project Items -> Folders/Extensions . Click the "..." button next to Use ARM Compiler .
Select and browse to the folder where you installed Arm Compiler 5.06u7. Verification: Ensuring Your Download is Authentic arm compiler 506 update 7 verified download
If it’s missing, you can download the specific "MDK-ARM" maintenance package from the Keil website, which includes verified toolchains. Technical Specifications July 2020 Go to -> Manage -> Project Items -> Folders/Extensions
