Joomla version upgrade

4/17 raining
        Upgrade my Joomla website from 1.5.21 to 1.5.26.

    Step1  Link to Joomla official website

   Step 2 select Upgrade Packages in Download sheet

  Step 3 download what kind of version migration you need, I selected Joomla_1.5.0_to_1.5.26-Stable-Patch_Package.zip

   Step 4 Unzip the download file

   Step 5 Rewrite the Joomla  website by those unzipped files.

   Final step check the Joomla system information, version upgraded!