Windows PDP 7

Windows PDP 7 Was the 2nd collab with microsoft and Digital Equipment Corporation
Microsoft "tried" doing an upgrade for pdp 7 PCs With windows PDP 7 
And the upgrade was a gui for pdp 7 only 62 PCs were upgraded to Windows PDP 7 mostly because the pdp 7 only sold 120 copies 
Category:Fictional Windows versions
Category:1960s