1) Go to https://console.developers.google.com/
you will see this page - https://prnt.sc/w-P8rlVlZ_ut
2) Create a new project via this steps https://prnt.sc/EpAjVhKNLz0T
3) creating a new project - https://prnt.sc/v3_fwBfO1897
4) After successfully creating the new project you need to select it from the select box - https://prnt.sc/s7bExpYSB3LM , also see here - https://prnt.sc/5DeQTXNiCA8g
5) Make sure your project is selected like this - https://prnt.sc/uh0jdV8zjvN6
6) Now you have to find the correct API and enable it. Click here https://prnt.sc/DTkDGAzCaHTI then in the search box search "Google Drive API" https://prnt.sc/aLSAequaZDfm when you find it, pls click on it https://prnt.sc/XC6Bttzlauuk
7) Now you need to enable it like this https://prnt.sc/pK2LnXbRlsFS
8) You will be redirected to this page https://prnt.sc/LqkpeU6HXzRd pls click on "OAuth consent screen" https://prnt.sc/JISCZL6QSu3f chose "external" and create like this - https://prnt.sc/VHtGcYYwtFp4
9) On this page you have to add
a) App name
b) user support email
c) Developer contact information (on the top bottom, can be the same email as contact)
like this - https://prnt.sc/hJAJp9GFAlm1 and this https://prnt.sc/mez52JBtg7IA
10) Just save and continue like this (no other action needed) https://prnt.sc/HiQndVU9aOhW until you get to this page and click on "Back to dashboard" - https://prnt.sc/2QigMYZvaXp6
11) Pls publish the project - https://prnt.sc/iGpexJFTv9I8
12) Next is credentials - https://prnt.sc/llfRRoFS0FkU , create a credentials with this steps - https://prnt.sc/c11JM8M6qUjG
13) After selecting you will need to choose "web application" - https://prnt.sc/y3g2eYzBlWnD
14) Here you have to put some info, see details - https://prnt.sc/zaTP_9uriXF2 and create.
15) You will see this credentials right after create - https://prnt.sc/oHYuWymYX0p7 copy the client idand client secret and go to your Rezo admin dashboard.
16) From your admin, go to settings ->database backup and put your credentials from google - https://prnt.sc/xpP3cPKKxlKB and save.
17) After saving you will see a screen like this - https://prnt.sc/jyF2ONqv1uTz continue.
If you see something like this https://prnt.sc/j_2AmGBwxLWw click on advance and then here - https://prnt.sc/QcvcMpKgpXvr you will get to this page, pls continue - https://prnt.sc/ZZQizgwu-mZD
18) If you did all correctly you will be able to get the Backup from now on and have it on you GoogleDrive.
For it, you just need to click "Backup Now" - https://prnt.sc/xV-8vVkGpBhM and the backed file will be stored on your Google Drive.
As you can see it works fine and the file is there as well - https://prnt.sc/Rgk_H9r-XLyY