Ubuntu 12.04 lts version because Ubuntu 12.04 Lts comes with an older version of FCITX, you need to upgrade via PPA before installing the downloaded Deb package. 1. Click the icon in the top left corner to open dash, enter Update-manager, and click Update Manager . 2. In the Update Manager, select menu: edit-Software source , click Add ... button, enter ppa:fcitx-team/nightlyin the pop-up window and click Add Source . 3. Then click Reload . 4. Open Ubuntu Software Center , enter fcitxin the search bar, will search out FCITX, and then follow the general software installation steps to complete the upgrade. 5. Double-click the downloaded Deb package to install the Sogou input method.
After the installation is complete may appear can not find the installer Sogou, don't worry about the following
6. Log off the current user or restart the system, and then open the FCITX
7. Click the add symbol (+ sign) in the lower left corner to open the Add Input Method dialog box, and remove the default check "only Show current Language". Find Sougou Pinyin, click OK to finish adding
Ubuntu Sogou Input Method installation