Why am I unable to get the Preview Build of Windows 10 for my Lumia 630?

[Windows Central Question]

i can not get a previw build of windows 10 for my lumia 630

I have installed windows insider app and when i click on get preview it says "no builds"
I am currently using lumia denim

 

[Harrie-S]

Re: i can not get a previw build of windows 10 for my lumia 630

Please check your OS version. To enroll in the current TP it has to be version number 8.10.14219.341 or earlier:
Supported phones for Windows 10 Technical Preview - Microsoft Windows
But with the next update this will be "fixed". The update will come next week.