chore: update download links for Windows

fixes  #4901

README.md

@@ -45,10 +45,9 @@ while running on all major platforms.
 
 Windows | Linux | OS X | FreeBSD
 --------|-------|------|--------
-**[64 bit installer]**, [signature][sig-64] | **[Arch]**, **[Gentoo]** | **[Latest release]**  | **[Package & Port]**
-[32 bit installer], [signature][sig-32] | | [Building instructions] |
-[64 bit][64portable], [32 bit][32portable] portable | [Other] | |
-[64 bit][64nightly], [32 bit][32nightly] nigthly | | |
+**[64 bit release]**| **[Arch]**, **[Gentoo]** | **[Latest release]**  | **[Package & Port]**
+[32 bit release]| | [Building instructions] |
+[64 bit][64nightly], [32 bit][32nightly] nigthly | [Other] | |
 
 _**Bold** options are recommended._
 
@@ -139,11 +138,9 @@ AED3 1134 9C23 A123 E5C4  AA4B 139C A045 3DA2 D773
 ```
 
 [#qtox@freenode]: https://webchat.freenode.net/?channels=qtox
-[32 bit installer]: https://qtox-win.pkg.tox.chat/qtox/win32/download
-[32portable]: https://qtox-win.pkg.tox.chat/qtox/win32/download-portable
+[64 bit release]: https://build.tox.chat/view/qtox/job/qTox_pkg_windows_x86-64_stable_release/lastSuccessfulBuild/artifact/setup-qtox.exe
+[32 bit release]: https://build.tox.chat/view/qtox/job/qTox_pkg_windows_x86_stable_release/lastSuccessfulBuild/artifact/setup-qtox.exe
 [32nightly]: https://build.tox.chat/view/qtox/job/qTox-cmake-nightly_build_windows_x86_release/lastSuccessfulBuild/artifact/qTox-cmake-nightly_build_windows_x86_release.zip
-[64 bit installer]: https://qtox-win.pkg.tox.chat/qtox/win64/download
-[64portable]: https://qtox-win.pkg.tox.chat/qtox/win64/download-portable
 [64nightly]: https://build.tox.chat/view/qtox/job/qTox-cmake-nightly_build_windows_x86-64_release/lastSuccessfulBuild/artifact/qTox-cmake-nightly_build_windows_x86-64_release.zip
 [Arch]: /INSTALL.md#arch
 [Building instructions]: /INSTALL.md#os-x