Add punctuation: And so as we are pushing our hardware partners to build great new stuff that takes advantage of Windows 10 that obviously makes the old stuff really bad and not to mention viruses and security problems
A: And so, as we are pushing our hardware partners to build great new stuff that takes advantage of Windows 10 that obviously makes the old stuff really bad and not to mention viruses and security problems.

Add punctuation: In the wake of World War I the agitation resulting from Freuds revolutionary conclusions finally brought about the toppling of the legal barriers
A: In the wake of World War I the agitation resulting from Freud's revolutionary conclusions finally brought about the toppling of the legal barriers.

Add punctuation: Historically development schemes have tried to integrate indigenous peoples into mainstream society
A:
Historically, development schemes have tried to integrate indigenous peoples into mainstream society.