Since OPC 2.0.285 we dropped support for smaller than 2mb upload size and for this reason, we are providing the Installation guide on how to install (any) extension above 2 megabytes in case your hosting provider does not allow uploads larger than the extension that you'd like to install.
Guide 1, with RuposTel Unzip Utility for Joomla
1. Download our unzip.php file from here
2. Download OPC package (for example onepage2.0.283.24022015.zip)
This guide will also work with Virtuemart installation files or any other zip, tar.gz or other archives
3. Upload both unzip.php and the zip archive to your Joomla's /tmp directory as shown on this image:
4. Visit URL of http://yoursitecom/tmp/unzip.php
5. Select package:
6. Choose archive
Choose your archive and click Unzip selected...
7. Copy the path
Copy the path where the file was extracted.
8. Proceed to Joomla Extension Manager
Proceed to Joomla Extension Manager.
9. Click Install from Directory and Paste your copied path
Click Install from Directory in Joomla Extension Manager and paste your path which was generated by this utility. Click Install to install the extension with Joomla manager.
10. Successfull Installation should not show any Errors
The Extension is installed now.
