The phrase "alternative to install" is correct and usable in written English.
It can be used when discussing different methods or options for installation of software or systems.
Example: "If you prefer not to use the standard method, there is an alternative to install the application using a command line interface."
Alternatives: "option instead of install" or "substitute for install".
The three solutions offer an alternative to installing a more complex cash register system.
It was announced that the city of Toronto would replace Shatner and Howe's damaged tiles, and the Walk of Fame was looking into an alternative to installing the plaques on a sidewalk where they are at the mercy of the elements.
Tele‐robotic operation, which allows an operator to control a mechanical tool from a safe distance, provides a technical alternative to installing buried pipes within the confines of a hazardous trench.
However, an alternative is to install a copy of Linux on the same PC, or boot Linux from a Live CD, and use that for browsing and email.
Under existing Uefa regulations, the club could be forced to stage their home games at Dublin's Aviva Stadium, although the cheaper and more romantic alternative is to install the seats that would bring their own ground up to the required standard.
A better alternative would be to install emission abatement technology, like in road vehicles, and switch from heavy fuel oil to cleaner marine or road diesel, or liquefied natural gas (LNG), says Oeliger.
In large deployments it is common place to use Chef, Puppet, Salt or an alternative automation tool to install and configure collectd instances.
Other alternatives would be to install drainage pipe to carry away subsurface water or to choose a new site.
The initial decision alternatives are (a) to install the proposed control system, (b) postpone action until trends in the market and/or competition become clearer, or (c) initiate more investigation or an independent evaluation.
