Configuration notes:
In the table below we can see which version of STEP 7 is compatible with which version of Internet Explorer?
 

STEP 7 version	Internet Explorer
	V4.01	V5.0	V6.0	V7.0	V8.0
V3.1	-	-	-	-	-
V3.2	-	-	-	-	-
V4.01	-	-	-	-	-
V4.02	-	-	-	-	-
from V4.02.5	-	-	-	-	-
V5.0 incl. SPs	X	-	-	-	-
V5.1	X	-	-	-	-
V5.1 incl. SPs	X	-	-	-	-
V5.2 incl. SPs	-	X	-	-	-
V5.3 incl. SPs	-	-	X	-	-
V5.4 incl. SPs	-	-	X	X	X
V5.5 incl. SPs	-	-	X	X	X

In the case of versions of STEP 7 from V5.0 to V5.1 including SP 1, the Internet Explorer is required for the cross-function Online Help.
The Internet Explorer is required in general from STEP 7 V5.1 including SP2.

Keywords:
Compatibility