Somewhere within 3 days of W10 updating - an update took nearly 2h. Suddenly I've got a new look log on screen and everything runs faster - haven't had a "not responding" all day. Originally the free W10 upgrade on W7, it ran as slow as an 8MHz 286. The whole lot came crashing down after about a month, so I cleansed the HDD and did a ground up install of W10 - it wasn't much better.I've heard that more than once.
I don't know whether it's just because another MS operating system has to be learned all over again or whether W10 really sucks.
I still have one Vista machine left, but I'll be reporting every keystroke to Microsoft eventually.
When W10 imploded; it made such a mess, I had to delete all partitions and overwrite with a Linux install. The only problem with that, was my needing to learn how to use it.