(If you have problems getting the Wireless LAN card to work, this might help.)
You could also try installing a version of Linux, such as Mint 18.1, which is free. Anyone can install it at zero cost simply by not activating it (if you can cope with the nagging to buy it): see below. If in doubt about Windows 10, try it for free. Search for your CPU’s score at PassMark and see if it’s higher. This processor has a PassMark CPU score of 1482. The minimum useful spec is something like a 2.4GHz Core 2 Duo T8300 and 4GB of memory. People who have faster or newer Vista laptops should find they run better under Windows 10.