Instant Checkout ‑ Buy button

can any one please tell me where we have to put this code to change location of buy button please guide properly

This app is just what I was looking for, giving me the ability to put in buy buttons in the Collections area. Surprisingly great and responsive customer service too!

Just the app we've been looking for! When we needed help, Matt was very responsive. Highly recommend!

its really a good apps for me, and I ask help from Matt charlies, they have very fast reply and help me to solve what I need, really nice,

great personalized service and did exactly what i needed by having buy now button on collection pages and home page

We are very happy to be wrokign with this app. The team is really fast in response and supportive. This app has definitely helped us increasing our sales. Very much recommended. AMSUM

Highly recommend! We reached out and received an email within minutes to assist us! Matt was very professional and helpful!

We wanted to remove the button on a particular product template.
Contacted support and within 30 mins the developers had contacted me, accessed the site and made the changes, superb support!

Super quick to respond and help me fix my problem. Button looks great on my page and I think it will help my business

Needed customising, Matt fixed the issue very quickly. Easy install. Hoping to see an increase in conversions now.