upgrade c1100 isr ios-xe from 16 to 17

[ciscosupport111]

Hello, we have unboxed c1111-p4 router  with ios-xe 16.9.5 (Fuji) with bootstrap 16.9(1r) install on it.

For now Cisco recommends to install 17.3.3 MD.

Please help us  to find right documentation for this task, or explain shortly how to solve this issue.

Thanks in advance