I successfully installed the Package Control, but when I try to install a package SublimeText doesn't show the command Package Control: Install Package.
Go to Preferences > Settings and see if Package Control is listed in ignored_packages. If that isn't the case, restart Sublime Text and paste the contents ...
Try the “Tools > Install Package Control” menu item instead. If that doesn't appear, please share your ST's console output (View > Show Console) ...
Go into the default settings and scroll down to where it says ignored packages and remove Package Control from the ignored packages list. Then just restart ...
The simplest method of installation is through the Sublime Text console. The console is accessed via the CTRL + ` shortcut or the View > Show Console menu.
In Sublime Text, go to Preferences > Package Settings > Package Control > Settings – Default and removed them from the installed packages list.