* Do not download Weekly Built. 1) Empty the cache, sessions, muc, lock, localcache and temp folders in data.zip 2) Use "defaultcity" for city while installing, country United States and Timezone America/New_york. Also in New settings - Location settings keep America/New_york 3) Download the Language packs here: https://download.moodle.org/langpack/4.2/ 4) Unpack the packages in the /languages/[[language]].zip 5) Change the language [[language]] in SQL config and users table. 6) Check this function and if new file is added update it in upgrade.php: upgrade_stale_php_files_present() in the file : [NOT REQUIRED] /lib/upgradelib.php 7) required minimum version check for upgrade in info.xml should be changed in case of major version change 8) We do not change $CFG->directorypermissions = 0777; in the config file because it is outside the web-accessible directory and does not matter if it is 0777 9) Check if /muc/config.php file is created in data folder on non suPHP server i.e. (you can use Webuzo). 10) `allversionshash` in config table is same for every install 11) `assignfeedback_editpdf` has the value '/usr/bin/gs' on Windows as well as Linux Manual install hence we leave it as it is. 12) PHP REQUIREMENT LINK: https://moodledev.io/general/releases/4.2 13) While installing check utf8mb4 collation. To check utfmb4 support, we have referred moodle\lib\dml\mysqli_native_moodle_database.php file. 14) Install manually with keeping database charset to "utfmb4 general ci" 15) check this file /lib/dml/mysqli_native_moodle_database.php and mariadb_native_moodle_database.php for utf8 collation detection. 16) Increase the version number in requirement function of upgrade.php in EVERY MAJOR VERSION as some of the plugings/extensions are not compatible with the latest version.