One of the disadvantages of using a Win OS that is "out of support" is that software developers will not make versions of software that work on the old OS (why should they?).
e.g., Have a Windows XP machine? Newer Firefox versions stopped supporting it a while ago...you are stuck with older versions. Web sites are more interested in developing for phones rather than making things still working with old Win versions. Same with other "common" software - even antivirus software becomes difficult. Now, I have to deal with different software on different machines - it is a waste of time for me to learn (or remember) different way to do the same thing on multiple machines. With those old USB ports and slots, you get hardware limitations as well. For dedicated purposes, they are still fine, but if it is a desktop, you have a lot of space taken up for decreasing gain.
It has not become that bad with 7 yet, but it is not far off. Yeah, it's a racket. I have two XP machines within eye reach at the moment. I have no idea what I will do with them - that's what I get for keeping a machine for more than 10 years. True, 25 years ago, I would have dyed my nut hairs orange to have that much computing power
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I have no reason NOT to accept WIN 11 other than I'm lazy, I know it will peak suck for the first year, I have to buy more crap and find more space. Did I say "no reason"? Maybe "no choice" is a better phrase.
That is the way I feel right now and I know that there are comebacks to each of those issues, but they have their disadvantages as well...I just try to remember that I have these machines to help me do stuff easily...that was the idea anyways.
I had a Linux 'box' when the version of it used to called Kernel 1. I installed and used FreeBSD on a 486 machine. Hell, I still have all 3 volumes of those Stevens books to learn TCP/IP
The Win stacks for that stuff were seriously crippled. But, as things evolved, I relented - I always thought WordPerfect was better than Word (at the time), but with Office and everybody in the workplace going there - it became a matter of how much time do I want to spend "learning" and how much time do I want to spend "doing"?
Now what am I supposed to do - become a Linux fanboy to run software that has the look and feel of Win crap?
Yeah, I know...rantings of a curmudgeon, but I say ...here are your gold coins Caesar, now go eff yourself.