SSD space management

[Guest2]

Following this guide here I have Windows 7 installed with all updates, Antivirus, Office 2010 and a few other programs with still 100gb free of 128gb. Games are installed to another drive

How low can you go?

 

[Adster3000]

Did you try the installations before without following this guide to see how much space it would have taken up? How much space was saved?

Won't get much interest without this information.