How to set original estimate (time) to Issue?

[Evgeniy Nechayev]

I do not want to use Scrum, I do not want to use Agile. I want to set Time Estimation for issue and using Time tracking only. 

How to add Original Estimation field to Issue creation screen?

[Nic Brough -Adaptavist-]

Add the field called "time tracking" to the issue create screen (you can find it by working down through the project's "issue type screen scheme")

[Kamal Kailasa Babu]

how to bring this "time trcking" field?