In order to edit information about your property in the Google Knowledge panel or map, you will need to have an active and verified Google My Business account, as well as edit access.
There are a few steps and options for claiming your property on Google My Business. You can learn more about it from Google here: https://support.google.com/business/answer/2911778?hl=en.
You will need to have your Google Account. If you do not have one you will need to create one.
Once you have your account you are ready to head to the Google My Business and create your listing: www.google.com/business
Then follow easy steps (Computer or Mobile Users) and provide information about your business: https://support.google.com/business/answer/2911778?hl=en
Once you have added your business information, you will have the option to verify.
Once you verify, your business information will be eligible to appear across Google.