1 sentence for 卸載 (xiè​zǎi — to uninstall)

1. 我是否需要卸载以前的版本？

   wǒ shì​fǒu xū​yào xiè​zǎi yǐ​qián de bǎn​běn?

   Do I need to uninstall the previous version?

   Source: CCMatrix