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旧バージョンのABViewerを最新のバージョン15にアップグレードしてください。ABViewerのライセンスタイプ(ユーザーまたはフリー)とライセンス版(ProfessionalまたはEnterprise)は、以前のご注文と一致している必要があります。特別なアップグレード（ProfessionalからEnterpriseへのアップグレードなど）が必要な場合は、info@cadsofttools.comまでご連絡ください。
ABViewerの変更点、改善点を詳しく調べるには、what's new pageページをご覧ください。.
いいえ。インターネットに接続しなくても、ライセンスを有効にすることができます。
Floating licenses allow using ABViewer on several PCs that are connected to a TCP/IP network. The licenses are managed by the software CST Floating License Server that is free and is installed in case floating licenses are purchased.
The number of computers using ABViewer at the same time is restricted by the number of purchased floating licenses. When the software is started, it connects to CST Floating License Server and gets a license. The number of the available licenses at the server is decreased. After the program is closed, the license is returned to CST Floating License Server, and it becomes available for other computers.
CST Floating License Server supports the following Microsoft Windows OSs:
If computers in your company are connected to a single TCP/IP net and ABViewer will be used on several computers at different time, ordering a floating license will allow you saving money.
| ABViewer Licenses Types Comparison | |
|---|---|
| User License | Floating License |
| Licenses can be installed on separate computers as well as on PCs connected into one network. | Computers must be connected into a TCP/IP net. Floating licenses are especially convenient for terminal systems. |
| The license can be installed on a restricted number of computers. | The license can be installed on any number of computers within one TCP/IP net, the number of ABViewer copies running at the same time is restricted. |
| Each license can be used by a single person - the license owner. | The license can be used by all the users who have access to the TCP/IP net and floating licenses. |