Magento in Sub Directory

If you want to install magento in sub directory or sub folder of your domain i.e. yourdomain.com/store or yourdomain.com/magento etc

Edit your magento htaccess located in sub folder. Find the following line:

#RewriteBase /magento/

Remove the # sign and write your folder name instead of /magento/

It will work in this way to install magento in sub direcotry.