You can use the “Move computer to…“ dialog box to specify the group you want to move the selected computer to. There are two options available: an existing group and a new group.
To move it to an existing group, select this option and select the groups the selected computer(s) will be moved to from the drop-down list to the right.
To create a new group, select this option and enter its name in the input field.
After you click the OK button, the computer(s) will be moved to the selected group.