Any Possibility of Getting the Newest Version?

I have Sonar X3 Production, and although the store is now closed, is there any chance of up grading anyway?

Check out deals on Studio One for Sonar users.

You might buy just to find out it cannot be authorized and will then be asking for your money back. 
There is thread where you can still get Home Studio free with a magazine subscription. THey seed to manage to get it working but seemed complicated. 
 
Be happy you have X3e. It is as good a DAW as many. 
You'll be disapointed in most of the other DAW's you can certainly try the demos like many of us did and returned to Sonar. X3e will work for you untill you no longer have a Computer that runs a supporting OS= 10-15 years from now,  unlike the versions that came afterwards which are doomed unless they unlock them from needing the server. 
X3e is where I will go before I switch to another DAW if Splat goes down. 
There really is no reason to spend more money unless you really don't like what you have or feel you need a new toy. 
 

I followed those links and it looks sketchy to me as they seem to be saying it's a disk in a box?? 
You should read the reviews. Gives you a huge insight to how the real world conceived Sonar's  learning curve and support. I like like the guy who asks if you can record vocals...

Cactus Music
You might buy just to find out it cannot be authorized and will then be asking for your money back. 

This is a great point. We've had official word that existing users will be able to continue to activate the product in the future but has there been any word on whether authorizing new purchases still works? 

It's  Home Studio with the Big Fish pack. I think it is legit and I was tempted just to see. but I already have Home studio so it might make a mess of my Product page having 2 versions.
I guess I could try to be someone else, I was thinking I could get it for a friend of mine who has been thinking about getting into recording. Free is a no risk deal and Home Studio is a good beginners DAW.  . And apparently someone posted they had done this and it worked,, I think its on the Cakewalk announcement thread. Also someone did the free HS purchase with some magazine subscription and it was not easy but they did get it registered. That offer is good until the end of the month. So I might have been wrong about not being able to activate a new copy of Sonar. The server is still working and there still people working in Boston. 

Well I entered the redemption code and when I clicked on it it opened My Product page.. I still only have one copy of Home Studio so I guess I would have to try this and not be logged on first I would guess it might have shown but because I already have all this the product page remained the same. But my guess is it is legit as far as you might end up with a free copy of HS . But is it Legit in Cakewalks view. 
Real weird experience doing this web page is spooky. It asked for a log on but if you wait it times out and takes you to a page with the redeem code. Almost like some kind of a key generator ? So not sure if this is approved of by Cakewalk.. Like,,, who's paying for the software here. makes no logical sense. 

All installed using offline activation and out of demo mode..very cool..
Happy Birthday to me.  ook. 
 

CakeAlexSHere
BTW people can still upgrade to Win10 for free until Jan 16, I suspect more software will not run or will not be supported this year on Win7.
 
https://www.neowin.net/news/psa-free-upgrade-offer-for-windows-10-is-still-available-for-10-more-days
 

My Win 7 DAW systems are running great and I need to jump on some projects soon once my "transition" has made enough progress. I'll bet Reaper runs on Win 7 indefinitely

Cactus Music
UH, duh,  I guess I never saw that W10 thing and have been using Home Studio ( the latest version ) for over a year now on a W7 Laptop. I think what they might mean is W7 is unsupported. So if you did have issues they don't address them. But HS has been solid as a rock,,, unlike it's bigger sibling which crashes from time to time. And Doing the same projects too. Go ahead and install it on W 7 it will work just fine. 

Good to know thanks

Decided to give this a go. Got it downloaded and installed, but when I open it it's in demo mode. I did copy down the serial #, so hopefully I just need to authorize (although my understanding was you don't have to?) 
At first blush, I see that it does not have an Event List, as Cactus had stated. not a total deal-breaker; no Staff View would be, but it has that. I guess I can figure out out how to do the stuff I did IN EL in PRV instead. I mostly put in CC 7&11, and I use 5 for articulation changes in Cinematic strings. Also, I like to do velocity changes in EL, both single note and a string of them (using Scale Velocity). I'll play around and see how it goes.
It's nice to have an up-to-date version of Sonar, even if I continue to use my 8.5 Studio. At some point I may need a more current version.