Hello, *** surely, I can do changes on site & upgrade it to latest version. ***
I have experience of 7 years working with magneto . I have rich skills in web designer, CSS/CSS3, HTML/HTML5, Laravel ,PHP, WOO-Commerce, Magneto, e commerce, Bootstrap3, WordPress, Shopify MySQL, JavaScript, plugin installation, etc.
Looking forward to connecting with you.
Best regards !!