The DEDECMS5.5 file totals more than 40 MB and cannot be sent. Go to the transfer station to download and install: Upload all programs to the WEB. Delete the install_lock.txt file in the install folder and execute the installation file. Domain name/install/index.php database encoding must choose GBK! Otherwise, garbled characters will appear. I've suffered through this. After installation. Go backstage. Restore backup. Finish. Right. besides. Go to the plug-in download area to download an administrator password reset tool. If you can change the database. Then don't get off. If you still don’t understand, please add QQ76851231