You can't keep programme with just saving programme folder. You have to backup these programme in any removable disk and then you can restore them any time.
You should set your flash load on demand and it's really necessary to load page faster. In chrome go to Setting > Show advanced settings > Privacy > Content settings > Plug-ins > Click to Play.
There are many applications who can record screen and all audio activities on your computer. I use camstudio and it works fine for me. There are also few other software who considered good like Screen Hunter, Snagit and hypersnap etc. Even some software allow you to edit the recorded video in...
If you just want to record browsing activities then there are many little plugins who can capture screen easily, but if you wanna capture all activities then you have to install a software. There are many capturing software available freely, top ranking are camstudio, fraps.
Check memory of every folder one by one, find the folder who is eating this memory then try to delete it. Set all the folder visible, no folder should be visible.