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1. Keep Connection Encryption as default in manual installation.
2. Choose Database Type "MySQLi"
3. PHP REQUIREMENT LINK: https://manual.joomla.org/docs/next/get-started/technical-requirements/
4. If there is a change in extension_id in `schemas` table i.e. it is not 227 anymore we need to update it in upgrade.php for auto upgrade
We have check this in manual upgrade and this remains 227 only.
5. For languages download the packages here :[CHECK LATEST VERSION OF JOOMLA AND THEN DOWNLOAD THE ZIP]
https://downloads.joomla.org/language-packs/translations-joomla4/
6. Simply unzip the packages in joomla30/languages/ folder the structure is as it is in their package
7. Most of the language packages are in correct structure some have wrong structure so you will need to ZIP manually. There should files directly in the below ZIPS :
8. Structure should be as follows :
admin_fr-FR.zip
api_fr-FR.zip
pkg_fr-FR.xml
site_fr-FR.zip
9. In case there are changes in the structure of `extensions` or `update_sites_extensions` table in database make changes in install.php for languages
10. Languages need to be updated for 4.4.10

					<option value="af-ZA">Afrikaans</option>
					<option value="ar-AA">Arabic</option>
					<option value="ca-ES">Catalan</option>
					<option value="cs-CZ">Czech</option>
					<option value="el-GR">Greek</option>
					<option value="es-ES">Spanish</option>
					<option value="et-EE">Estonian</option>
					<option value="fa-IR">Persian Farsi</option>
					<option value="fi-FI">Finnish</option>
					<option value="hu-HU">Hungarian</option>
					<option value="it-IT">Italian</option>
					<option value="ja-JP">Japanese</option>
					<option value="kk-KZ">Kazakh</option>
					<option value="mk-MK">Macedonian</option>
					<option value="nl-BE">Flemish</option>
					<option value="pl-PL">Polish</option>
					<option value="pt-PT">Portuguese</option>
					<option value="pt-BR">Portuguese, Brazil</option>
					<option value="ro-RO">Romanian</option>
					<option value="ru-RU">Russian</option>
					<option value="sr-RS">Serbian</option>
					<option value="ta-IN">Tamil, India</option>
					<option value="th-TH">Thai</option>
					<option value="tr-TR">Turkish</option>
					<option value="uk-UA">Ukrainian</option>
					<option value="vi-VN">Vietnamese</option>
					<option value="zh-CN">Chinese</option>
					
11. Always check "com_languages" lft, rgt values in asset table(It should remain 43,44) and also check lft, rgt values of "com_languages.languages.2" by installing anyone language manually.(It should remain 44,45) If these values are changed in manual installation, change in our install.php too.
12. If you get error while upgrading for deleting some files, then check "administrator/components/com_admin/script.php" file for list of files, folders to be deleted and add them in upgrade.php. Check the complete list from the above file instead of just adding the files of current version. Add them in every version in upgrade.php regardless of error.
13. Auto Upgrade queries are traced from here : {{softpath}}\libraries\src\Schema\ChangeItem\MysqlChangeItem.php
14. We cannot use & in upgrade.xml in setupcontinue hence we have added it in upgrade.php, if the setuplocation changes in future do not forget to update it in upgrade.php as well

****** CHECK THIS WHEN ADDING SAMPLE DATA ********
1. Compare and update array from function updateUserIds($db) and function updateDates($db) of "installation/model/database.php" in install.php. THIS IS TO UPDATE USERID and DATE when installing with sample data.