it does not show the step 7 5.6 license.Ĥ. But when I click or select 'installed license keys'. right symbol is not visible infront of step 7 5.6 shows unknown when cursor is kept '-'ģ. in automation license manager (ALM) when we filter license keys. However, we are able to see step 7 5.6 license with license no. Whenever, we try to open simatic manager step 7 5.6 software, It shows the error ' no valid license key is found ,the application will be closed.Ģ.