Navicat Premium 客户端命名规则，是 navicat+大版本(2位)+小版本(1位)_premium_cs_x+32或者64位的系统+.exe，比如：

https://download.navicat.com/download/navicat162_premium_cs_x64.exe

表示大版本为16，小版本为2，64位系统的客户端。

以下是 Navicat Premium 的历史版本下载地址：

http://download.navicat.com/download/navicat100_premium_cs.exe

http://download.navicat.com/download/navicat110_premium_cs_x86.exe

http://download.navicat.com/download/navicat110_premium_cs_x64.exe

http://download.navicat.com/download/navicat120_premium_cs_x86.exe

http://download.navicat.com/download/navicat120_premium_cs_x64.exe

http://download.navicat.com/download/navicat121_premium_cs_x86.exe

http://download.navicat.com/download/navicat121_premium_cs_x64.exe

https://download.navicat.com/download/navicat150_premium_cs_x64.exe

https://download.navicat.com/download/navicat150_premium_cs_x86.exe

https://download.navicat.com/download/navicat160_premium_cs_x64.exe

https://download.navicat.com/download/navicat160_premium_cs_x86.exe

https://download.navicat.com/download/navicat161_premium_cs_x64.exe

https://download.navicat.com/download/navicat161_premium_cs_x86.exe

https://download.navicat.com/download/navicat162_premium_cs_x64.exe

https://download.navicat.com/download/navicat162_premium_cs_x86.exe

https://download.navicat.com/download/navicat163_premium_cs_x64.exe

https://download.navicat.com/download/navicat163_premium_cs_x86.exe