A previous post mentioned using 2.13.0 installer which worked for me. Waffle thinks they may have introduced a bug with the downloader in the 2.14.0 version.
I downloaded that, it ran just for a few seconds longer than it force closed on me.
2023-09-22 16:19:42.973 -05:00 [INF] ========= SPT Installer v2.13.0.0 Started =========
2023-09-22 16:19:42.987 -05:00 [INF] Microsoft Windows NT 10.0.22621.0
2023-09-22 16:19:42.987 -05:00 [INF] System Language: en - English (United States)
2023-09-22 16:19:42.994 -05:00 [INF] Install Path: C:\SPC
2023-09-22 16:19:43.000 -05:00 [INF] -<>--<>- Running PreChecks -<>--<>-
2023-09-22 16:19:43.001 -05:00 [INF] PreCheck: .Net Framework 4.7.2 (Optional) -> Passed
Detail: .Net Framework 4.7.2 or higher is installed. Installed Version: 4.8.9032
2023-09-22 16:19:43.022 -05:00 [INF] PreCheck: .Net Core 6 Desktop Runtime (Optional) -> Passed
Detail: .Net Core 6.0.0 Desktop Runtime or higher is installed. Installed Version: 6.0.1
2023-09-22 16:19:43.056 -05:00 [INF] PreCheck: Free Space (Required) -> Passed
Detail: There is enough space available on C:\ to install SPT. Available Space: 263.02 GB Space Required for EFT Client: 36.37 GB
2023-09-22 16:19:44.439 -05:00 [INF] -<>--<>- Running Installer Tasks -<>--<>-
2023-09-22 16:19:44.439 -05:00 [INF] <===> Initializing <===>
2023-09-22 16:19:44.439 -05:00 [INF] Installed EFT Game Path: C:\Battlestate Games\EFT
2023-09-22 16:19:44.441 -05:00 [INF] Installed EFT Game Version: 26282
2023-09-22 16:19:44.442 -05:00 [INF] <===> Checking SPT Releases <===>
2023-09-22 16:19:45.183 -05:00 [INF] <===> Checking for Patches <===>
2023-09-22 16:19:45.410 -05:00 [INF] Current Release: 25206 - Patch Available
2023-09-22 16:19:45.835 -05:00 [INF] <===> Downloading Mirror List <===>
2023-09-22 16:19:45.839 -05:00 [INF] <===> Downloading Patcher <===>
2023-09-22 16:19:45.839 -05:00 [INF] https://store2.gofile.io/downl…26282_to_13.1.3.25206.zip