I agree with each practical advisement already shared!
To more easily create backup images of your system, an external hard drive (hdd) may be something you can consider as I shall too.
Download (preferably) directly from software developers to avoid altered software with addware or PUPs (potentially unwanted programs).
On our Windows 7 SP 1 we use the free version WinPatrol.
WinPatrol Downloads Page
First, you may view this very illustrative review posted by MalwareTips'
@cruelsister:
A popular password manager I recommend, & learned of from an MT Staff member, is LastPass
www.lastpass.com which uses AES (advanced encryption security). It my favorite extension, and has helped make my family's online lives both safer and more convenient.
On their site <click> "Download Free".
PS Thank you for sharing your configuration. Your English reads very well, & shall only improve with practiced confidence!