Merge pull request #6024 from EnterpriseDB/postgresql/installer_limit…

…ation

Added note on non-ascii characters not being supported

advocacy_docs/supported-open-source/postgresql/installing/windows.mdx

@@ -27,10 +27,12 @@ Rather than use the EDB installer, you can also obtain a prebuilt installation p
 
 ## Installing PostgreSQL
 
-To perform an installation using the graphical installation wizard, you need superuser or administrator privileges. 
+To perform an installation using the graphical installation wizard, you need superuser or administrator privileges.
 
-!!! Note
-    If you're using the graphical installation wizard to perform a system upgrade, the installer preserves the configuration options specified during the previous installation.
+!!!note Notes
+   - EDB doesn't support all non-ASCII, multi-byte characters in user or machine names. Use ASCII characters only to avoid installation errors related to unsupported path names.
+   - If you're using the graphical installation wizard to perform a system ***upgrade***, the installer preserves the configuration options specified during the previous installation.
+!!!
 
 1.  To start the installation wizard, assume sufficient privileges, and double-click the installer icon. If prompted, provide a password. (In some versions of Windows, to invoke the installer with administrator privileges, you must select **Run as Administrator** from the installer icon's context menu.)