Fast installation and trouble

Professional in IT, I am with Kasperky for several years: a good quality / price ratio to 35 / year for three positions. The cost is small compared to the risks involved and I have always had doubts about the "free"
Never had a single problem except the baby's memory consumption: have at least 70 Mb permanently, but at least he left alone processor and does not slow down the machine.

The installation of the 2015 version over the previous takes a few minutes and without problems.

Tips:
- It costs less to buy an upgrade version on Amazon than paying the online renewal proposed by the product or the manufacturer's website.
- Once the update period (1 last year), the software still works, it just no longer receives the latest virus definitions.
So, within America to surf the sites, there is no need to rush into the minute to renew. You can safely pass a month
This casually, you made a reduction of 9% extra;)