Site Actions -> Site Settings -> Manage site features (under “Site Actions”)
“Deactivate” for “SharePoint Server Publishing”
Now go to :Site Actions -> Site Settings. You should now see “Save site as template” as an option
Solution path:
_catalogs/solutions/Forms/AllItems.aspx
If you still not able to see Save Site as template.
try this powershell command...
$oweb = Get-SPWeb http://sp2013
$oweb.SaveSiteAsTemplateEnabled = $true
$oweb.Update()
