Sharepoint Group Permissions:
1. Open the Sharepoint site > Click "Site Contents" > "Site Settings" >"Site Permissions" > "Create Group" > "Create".
Add, Change, or Remove a Site Collection Administrator:
- Site Collection Administrators can manage the functionality of features such as Search, Recycle Bin, Document ID, etc. They can view the Audit Log Reports, manage the site, and activate/deactivate Site Collection features.
1. Open the Sharepoint site > Click "Site Contents" > "Site Settings" >"Site Collection Administrators" > "Ok".
2. Site Collection Administrators Box:
a. To add a site collection administrator, enter the name or user alias of the person who you want to add.
b. To change a site collection administrator, click the "X" next to the name of the person, and then enter a new name.
c. To remove a site collection administrator, click the "X" next to the name of the person.