upgrade the computer meaning in English

但是一般都比较贵
给电脑升级

When you upgrade the computer that is running iis , you must install sql server mobile server tools
当升级运行iis的计算机时，必须安装sql server mobile服务器工具。
During the year , upgrading the computer system facilitating hawker licence and hawker conviction processing was completed
年内，本署已把处理小贩牌照及小贩定罪工作的电脑系统升级。
During the year , upgrading the computer system facilitating hawker licence and hawker conviction processing was completed
年内，本署已把处理小贩牌照及小贩定罪工作的电脑系统升级。