1. I don't know.
2. You need a web-server. Read point 6 and 7 here:
http://publib.boulder.ibm.com/infocenter/wclhelp/v2r7m0/topic/com.ibm.help.learning.doc/wcl_inst_ssmblls_t.html
3. You need to perform such actions:
1) Configure "Login portlet" not to display Sign Up link
2) Delete Anonymous Information Portlet from the Welcome page
3) Comment out this fragment of code at <was-profile-root>\installedApps\www\wps.ear\wps.war\themes\html\IBM\mainMenu.jsp :
<portal-logic:if loggedIn="no" portletSolo="no"><portal-internal:adminlinkinfo name="SELFCARE"><portal-navigation:urlGeneration contentNode="<%=wpsContentNode%>" layoutNode='<%= wpsCompositionNode %>' portletWindowState="Normal" themeTemplate=""><portal-navigation:urlParam type="render" name="ao" value="thm"/><portal-navigation:urlParam type="render" name="OCN" value="<%= wpsContentNodeID %>" /><c:set var="menuTitle"><portal-fmt:text key="link.enrollment" bundle="nls.engine" /></c:set><% if (menuItemCount > 0) { %>,<% } %>"asynchDoFormSubmit('<% wpsURL.write(escapeXmlWriter); %>');",'<c-rt:out value="${menuTitle}" escapeXml="true" />',"${defaultPageIconUrl}"
<% menuItemCount++; %>
</portal-navigation:urlGeneration></portal-internal:adminlinkinfo>
</portal-logic:if>
4) Touch <was-profile-root>\installedApps\www\wps.ear\wps.war\themes\html\IBM\Default.jsp
5) Restart the Portal