I would create 2 partitions on the 1TB hard drive 100Gb Programs and the remainder data
Whenever you instal a program and get to choose the location for installation choose the 100GB partition
Follow these steps
a. Open up the Explorer (Windows Key + E). b. Expand Documents folder to see the folder My Documents in the sidebar. c. Right-click on the folder My Documents and click on “Properties”. d. Go to the tab “Location”. e. Click on the button Move. f. Navigate to the folder where you want to move your “My Documents” folder to. g. After clicking on Select Folder in we’re back on the folder location screen. Eventually, to move the My Documents folder, click on Apply. h. Confirm the prompt with yes if you are sure that you want to move the My Documents folder.
to move you docs, music etc.
Create the new folders on the 1TB hard drive before you start the above. Remember to alter your broswer setting for where to store downloads and they will go to the 1TB hard drive.
(Until I moved to Linux I always set up a windows pc with 3 partitions OS, Progs, Data and this protected my data when I had to reinstall windows. I needed to re install programs but my preferences where retained)