Keil uVision 5 uses a and packs system. Install it separately or uninstall uVision 4 first to avoid conflicts.
Choose the folder where you want Keil installed (default is usually C:\Keil_v5 ). keil uvision 5 download
Use the simulator or hardware debuggers like ULINK or ST-Link to watch variables and memory in real-time. Keil uVision 5 uses a and packs system