we are new to CIVICRM! I am wondering if someone could possibly help us with fully installing and setting us up with the the extension CDN Tax Receipts?
Welcome to CiviCRM! CDN TaxReceipts can be installed through your manage Extensions screen:
If you run into config/support issues you can reach out here on SE. Best to ask detailed questions with screenshots.
If you run into a technical issue you can create an issue here: https://github.com/jake-mw/CDNTaxReceipts
A number of Canadian IT companies monitor this GitHub repo (Coop Symbiotic, Mustardseed NonProfit, PeaceWorks and ourselves).