SharePoint Monitor

To create a new SharePoint group, navigate to the People and Groups page (Site Actions >  People and Groups) , click the New dropdown and select New Group:

This opens the New Group page with several options.

Name and About Me – simply enter the Name and Description
Owner – This setting defaults to the current user but [...]

To add or remove users from  a Group firstly navigate to the relevant group (Site Actions >  Site Settings > People and Groups > yourGroup ). Then in the group page, click the New dropdown and select Add Users:

This opens the Add Users page (below) where you can either add users by entering them [...]

Adding and editing SharePoint group permissions is a central admin task which SharePoint makes very easy through the configuration of permission levels.
If you have created a group in Sharepoint you will likely want to create some custom permissions for the group.

Select Site Settings > Advanced Permissions (alternatively click ‘Site Permissions’ in the far left column).
Click [...]

SharePoint installs with several prebuilt groups but in practice you will want to create custom groups for you company.
Adding a group is very simple:

In Site Settings > People and Groups. Click the arrow dropdown beside New and select New Group

Add the name of the group and click Create

That’s it, next we will edit the permissions [...]