The Guide shows you How to Getting-Started Locating/Finding/Searching for Files, Directories, Images and Paths on a Unix OpenBSD System.
Finally, the post’s Content is Expressly Reduced to Give Focus to the Essentials Instructions and Commands.

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Open a Terminal Window
(Press “Enter” to Execute Commands) -
Install the Needed Command Line Utility.
sudo su
If Got “User is Not in Sudoers file” then see: How to Enable sudo
pkg_add -v -i pkglocatedb
Or:
pkg_add -v
/pkglocatedb[x.y.z].tgz OpenBSD How to Easy Find Repo URL for Installing New Packages:
OpenBSD Find Packages Repository