Improve bug report template details

Author: hluk

.github/ISSUE_TEMPLATE/bug_report.md

@@ -26,11 +26,18 @@ Before continuing, make sure a similar request or a known issue does not exists
 <!-- If applicable, add screenshots to help explain your problem. -->
 
 **Version, OS and Environment**
-<!-- Get details from `copyq version` command if possible. -->
+<!--
+Get details from `copyq version` command, or copy from the CopyQ main window:
+1. Open Action dialog (F5 shortcut).
+2. Enter command: `copyq: copy(version)`
+3. Click OK - the details should be copied to the system clipboard.
+4. Paste the details in the report.
+-->
 
-- Application Version (for example 7.1.0)
-- OS (for example Windows 11, Ubuntu 22.04, macOS Sonoma 14.4)
+- Application Version (for example 10.0.0)
+- OS (for example Windows 11, Ubuntu 24.04, Fedora 42, macOS Sonoma 14.4)
 - Desktop environment, window manager (if applicable)
+- Installation method (for example Windows installer, portable zip, Flatpak, Homebrew, manual build)
 
 **Additional context**
 <!--