Instructions:
As from STEP 7 V5.3 the license key is installed with the ALM (Automation License Manager). Please also refer to the notes on handling authorizations and license keys in our entry:
"How can you keep SIMATIC license files working and avoid loss of authorization?" Entry ID: 23174341.
Installation of License Keys:
When installing STEP 7, the necessary license key is transferred automatically to the hard disk if the correct license key floppy disk is inserted. If the incorrect license key floppy disk or none at all is inserted, you are prompted with a relevant message to insert the correct license key floppy disk.
The table below describes the procedure for installing a license key.