Keil's 51 and arm coexistence methods

Keil and MDK coexist, follow these steps:
1 Install Keil C51 First, install directory to: "D:\Keil51" (I was installed on the D drive)
2 Reinstall RealView MDK, directory: "D:\Keilarm"
3 Copy the C51 folder under Keil51 to Keilarm
4 Copy and paste all the files under Keil51 under UV4 (or UV3) to the UV4 folder under Keilarm, note that if prompted
Duplicate files, whether overwritten, are selected No, that is, do not overwrite.
5 Copy the contents of the Tools.ini file under Keil51, paste it into the tail of the Tools.ini file under Keilarm, and
Replace "Keil51" with "Keilarm" and save.
6: Open the registration machine and register with arm.

Keil's 51 and arm coexistence methods