the toolbox 4.08.07 totally not work for Step7 5.7, I have to reverse to Step7 5.6.

My old Sinumerik project opened in Step7 v5.7 with message toolbox missing, i wonder maybe toolbox 4.9 work for Step7 v5.7 since it release more recently. 

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Split from Toolbox for Step 7 V5.7.

PISCEAN 2010

Sinumerik toolbox are released based/compatible to Controller system software. So please check your 840D system software version.

BTW, what problem are you facing? PLC hardware project related or PLC project application?

 After install of toolbox 4.08.07 on system with Step 7 V5.7, the toolbox not show in Installed software, I had try multiple time, it looks toolbox 4.8.07 not compatible with V5.7,  and the Toolbox 4.8.07 is released in advance of step7 v5.7

I have to reverse to Step V5.6 and re-install toolbox 4.08.07