System requirements

Minimum system requirements for running WSA v2:

Operating system	64-bit version of Windows 7 SP1 or Windows 7 SP2+ For Windows 7 SP1, the following updates must be installed: KB976932, KB2999226, or Visual Studio C++ 2015 Redistributable KB2533623
CPU	Intel Core i3 1 GHz
RAM	4 GB
Hard Drive space	2 GB
Internet connection	1 Mbps, stable communication channel
r_keeper	7.6.0

The following updates are required to run on older operating systems:

KB976932 (~540MB)
KB2999226 (<1MB) or Visual Studio С++ 2015 Redistributable (~14MB)
KB3063858 (~1MB)

Also WSA versions newer than 2.8.x.x on Windows 7 (and on Windows Server — if an error occurs when trying to download .net, like: "Unable to download" https://aka.ms/dotnet/3.1... ) require:

Install four runtimes manually using the links below:
https://download.visualstudio.microsoft.com/download/pr/63b482d2-04b2-4dd4-baaf-d1e78de80738/40321091c872f4e77337b68fc61a5a07/aspnetcore-runtime-3.1.32-win-x86.exe
https://download.visualstudio.microsoft.com/download/pr/3f353d2c-0431-48c5-bdf6-fbbe8f901bb5/542a4af07c1df5136a98a1c2df6f3d62/windowsdesktop-runtime-3.1.32-win-x86.exe
https://download.visualstudio.microsoft.com/download/pr/25974def-24fd-4155-af11-7bf477cc1c7f/21f5291090d9d4040ad8522bbdf00cc6/aspnetcore-runtime-6.0.25-win-x86.exe
https://download.visualstudio.microsoft.com/download/pr/33eced41-f212-46df-bb2f-12d4b891e667/f55a4581dd72a971f21e9562816c7430/windowsdesktop-runtime-6.0.25-win-x86.exe
Run the installer
If errors also occur in the Windows Event Log related to files:
- api-ms-win-crt-runtime-l1-1-0.dll
- api-ms-win-cor-timezone-l1-1-0.dll
- hostfxr.dll
  Install the Windows updates listed here https://learn.microsoft.com/en-us/dotnet/core/install/windows?tabs=net60#additional-deps.

Any operating system newer than Windows 7 SP2 will also work.