Joomla 3.9.x Missing install from (folder, upload, url)

Description: upgrade older version to joomla 3.9.x -> missing install tab item (folder, upload, url)

Solution: Administrator-> Menu Extension -> Update -> tab Discover -> choose type Install -> Re-install

Joomla upgrade 3.5.1 to 3.6.5 then 3.9.x

NOTE: REQUIRE BACKUP BEFORE CONTINUE

Step 1: upgrade 3.5.1 to 3.6.5

1.1: Upgrade direct from administator

1.2: Or download Joomla_3.6.5-Stable-Update_Package.zip then extract

Result require: version 3.6.5: DONE

Step 2: upgade joomla 3.6.5 to joomla 3.9.x

Upgrade direct at administrator

Result require: run 100% 

Step 3: 1054 Unknown column a.client_id - Fix error from phpmyadmin

Replace # by database prefer

ALTER TABLE `#_menu_types` ADD COLUMN `client_id` int(11) NOT NULL DEFAULT 0;

UPDATE `#_menu` SET `published` = 1 WHERE `menutype` = 'main' OR `menutype` = 'menu';

Result require: Run site normal

Step4: Database error

Run database fix

Require required: articles, category, modules good work