HELP>InstallNewSoftware>ADD(name:less,location:选择less.zip包)>勾选LESS1.0.22>左下Contactallupdatesitesduringinstalltofindrequiredsoftware必须勾选>一直NEXT,然后会下载点东西(必须联网),有个警告点确定就OK。亲测,Eclipse,MyEclipse都已经安装成功