hi 

I've downloaded " step7_mw_v4_sp8_9" from here , But during installation after a minute shows a massage and request to select a directory of the previous version  of Microwin, How can i setup Microwin without the previous  version  ?

i would be appreciate if one guide me .

my OS: WIN7 64bit 

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Split from DRIVER USB PPI NEEDED.

mei2010

hi 

I've downloaded " step7_mw_v4_sp8_9" from here , But during installation after a minute shows a massage and request to select a directory of the previous version  of Microwin, How can i setup Microwin without the previous  version  ?

i would be appreciate if one guide me .

my OS: WIN7 64bit 

 Hello,

is not possible to install it without a previous version!
Read the Install notes for the correct procedure for Windows 7 x64

https://support.industry.siemens.com/cs/ww/en/view/58523240

Regards
Christoph