reinstall
v. B2 Upper Intermediate US //ˌɹiɪnˈstɑɫ// UK //ɹˌiːɪnstˈɔːl// re·in·stall
v. to install a program or operating system again on a computer. You usually do this to fix problems or after you have uninstalled it.
v. to install a software application or operating system again on a computing device. Often used in the context of troubleshooting or system recovery.
I need to reinstall the software because it stopped working.
After the hard drive failed, the technician had to reinstall the entire operating system and all the necessary drivers.
To resolve the persistent kernel panic, the administrator decided to reinstall the operating system from a clean image rather than attempting a patch-based recovery.
From re- + install.