I keep the instalation software that i tested and i liked. I am doing it for years. I have a special folder with all my instalations kits, and i gathered in time somewhere like 200 perhaps. So when i have to reinstal my windows, i reinstall my usual software from that folder. Thats it's purpose, a backup.
Some time ago, i received a troian, and i manage to clean it yesterday from my C partition and from windows too. But i scanned my D drive also, where this folder i have with all the inst