Neem is right on 2 counts. First, is that your Vista computer hardware
is now 10 years old and is pretty much obsolete.

Upgrading to Win7 is a stop-gap measure as that product will be End-of-Lifed in 2020; more likely in 2019 from latest reports. That means that computer will no longer be safe to use on the Internet in 2 years or so, just as Vista and XP are now.

You could upgrade it to W10; which may buy you a few more years on the software side (oldest PCs to run W10 are built in 2007 or later); more likely your hardware will fail (Hard Drive or Motherboard or both) before the software runs out *in 2025 or so*.

Microsoft has abandoned automatic updates for Win7 during last year, 2016, and your only method...