OOW MacOS installation or reinstallation

In some cases, for example, after an unsuccessful update or installation of unsuitable software, your Mac's operating system may be damaged and the device may start working incorrectly: some functions disappear, applications hang, the device starts working slower, battery life is shortened. To solve the problem, our engineers will perform a complete reinstallation of your Mac's operating system and update it to the latest version. Please note that after completing the procedure, your data may be lost. Please coordinate in advance the possibility of saving or transferring data.