If the hashes/signature do not match, do not install.
This method requires a valid DS license, but it is the only way to obtain update 7 if your Standard Arm Compiler support contract has expired. arm compiler 506 update 7 verified download
In µVision, go to > Manage > Project Items > Folders/Extensions . If the hashes/signature do not match, do not install
⚠️ : Arm Compiler 5 is end-of-life . No new security patches are issued. Recommended only for maintaining legacy projects. If the hashes/signature do not match