This software is much friendlier than the previous version.

这个软件比之前的版本好用得多。

Uninstall the previous version, if it exists.

如果存在以前版本的话就将其卸载掉。

Save a model as a previous version of rhapsody.

将Rhapsody的以前版本保存为一个模型。

Uninstall the previous version before upgrading.

升级之前卸载旧版本。

A document can be restored to a previous version.

文档可以还原到前一版本。