NSIs detecting the. NET framework and downloading it online

section -.net framework  ; detection is required. Net framework version   Call  getnetframeworkversion  pop  $R 1  ;${if}  $R 1 <  ' 2.0.50727 '    ;${If}  $R 1 <  ' 3.5.30729.4926 '   ${If}  $R 1 <  ' 4.0.30319 '   ;${If}  $R 1 <  ' 4.5.52747 '     messagebox mb_yesno| mb_iconquestion  "This software is required to run the. net framework 4.0 run environment, but you do not seem to have this environment installed on your machine. $\r$\n you have two options: $\r$\n1. You download the. net framework 4.0 installation, and then run the software $\r$\n2. Use this installer for downloading and installing the .net  online framework 4.0$\r$\n$\r$\n now download and install it online. net framework 4.0, make sure your machine is connected to the Internet. Do you want to continue? " idno +2      call downloadnetframework4${endif} sectionendfunction getnetframeworkversion; get. Net framework Version Support Push $1push $0readregdword  $0 HKLM  "Software\microsoft\net framework setup\ndp\v4\full"   "Install" Readregdword $1 HKLM  "Software\microsoft\net framework setup\ndp\v4\full"   "Version" strcmp $0  1 KnowNetFrameworkVersion +1ReadRegDWORD $0 HKLM  "software\microsoft\net  framework setup\ndp\v3.5 " " Install "readregdword $1 hklm " software\microsoft\net  framework setup\ndp\v3.5 " " Version "strcmp $0 1 knownetframeworkversion + 1readregdword $0 hklm  "Software\microsoft\net framework setup\ndp\v3.0\setup"   " Installsuccess "readregdword $1 hklm " software\microsoft\net framework setup\ndp\v3.0\ Setup " " Version "STRCMP&NBSP;$0&NBSP;1&NBSP;KNOWNETFRAMEWORKVERSION&NBSP;+1READREGDWORD&NBSP;$0&NBSP;HKLM   "software\microsoft\net framework setup\ndp\v2.0.50727"   "Install" readregdword $1  HKLM  "software\microsoft\net framework setup\ndp\v2.0.50727"   "Version" strcmp $1   ""  +1 +2strcpy $1  "2.0.50727.832" strcmp $0 1 knownetframeworkversion +1readregdword $0  HKLM  "software\microsoft\net framework setup\ndp\v1.1.4322"   "Install" Readregdword  $1 HKLM  "software\microsoft\net framework setup\ndp\v1.1.4322"   "Version" StrCmp  $1  ""  +1 +2StrCpy $1  "1.1.4322.573" strcmp $0 1  knownetframeworkversion +1readregdword $0 hklm  "Software\microsoft\. netframework\policy\v1.0 " " Install "readregdword $1 hklm " software\microsoft\. netframework\policy\v1.0 " " Version "strcmp $1 " " +1 +2StrCpy $1 " 1.0.3705.0 " strcmp $0 1 knownetframeworkversion +1strcpy $1  "NOT&NBSP; NETFramework "knownetframeworkversion:pop $0exch $1functionendfunction downloadnetframework2; Download &NBSP;.NET&NBSP;FRAMEWORK&NBSP;2.0&NBSP;SP2&NBSP;&NBSP;NSISDL::d ownload /translate2  ' Downloading  %s '   ' connecting ... '   ' (remaining  1  seconds) '   ' (remaining  1  minutes) '   ' (remaining  1  hours) '   ' (remaining  %u  seconds) '   ' (remaining  %u  minutes) '   ' (remaining  %u  hours) '   ' Completed:%SKB (%d%%)   Size:%skb  Speed:%u.%0 1ukb/s '  /TIMEOUT=7500 /NOIEPROXY  ' http://download.microsoft.com/download/c/6/e/ C6e88215-0178-4c6c-b5f3-158ff77b1f38/netfx20sp2_x86.exe '   ' $TEMP \netfx20sp2_x86.exe '   pop $ r0  strcmp  $R 0  "Success"  0 +3  SetDetailsPrint textonly   DetailPrint  "Installing  .net framework 2.0 sp2 ..."   SetDetailsPrint  listonly  execwait  ' $TEMP \netfx20sp2_x86.exe /quiet /norestart '   $R 1   delete  "$TEMP \netfx20sp2_x86.exe" functionendfunction downloadnetframework35; download  .NET  FRAMEWORK&NBSP;3.5&NBSP;SP1&NBSP;&NBSP;NSISDL::d ownload /translate2  ' is downloading  %s '   ' is connecting ... '   ' (Remaining  1  seconds) '   ' (remaining  1  minutes) '   ' (remaining  1  hours) '   ' (remaining  %u  seconds) '   ' (remaining  %u   min) '   ' (remaining  %u  hours) '   ' Completed:%SKB (%d%%)   size:%skb  speed:%u.%0 1ukb/s '  /TIMEOUT=7500 /NOIEPROXY  ' http://download.microsoft.com/download/2/0/E/ 20e90413-712f-438c-988e-fdaa79a8ac3d/dotnetfx35.exe '   ' $TEMP \dotnetfx35.exe '   Pop  $R 0   StrCmp  $R 0  "Success"  0 +2  SetDetailsPrint textonly   detailprint  "Installing &NBSP;.NET&NBSP;FRAMEWORK&NBSP;3.5&NBSP;SP1 ..."   setdetailsprint listonly   ExecWait  ' $TEMP \dotnetfx35.exe /quiet /norestart '   $R 1  delete  " $TEMP \dotnetfx35.exe "functionendfunction downloadnetframework4; download  .NET Framework 4.0  &NBSP;NSISDL::d ownload /translate2  ' downloading  %s '   ' connecting ... '   ' (remaining  1  seconds) '   ' (remaining  1  minutes) '   ' (remaining  1  hours) '   ' (remaining  %u  seconds) '   ' (remaining  %u  minutes) '   ' (remaining  %u  hours) '   ' Completed:%SKB (%d%%)   size:%skb  Speed:%u.%0 1ukb/s '  /TIMEOUT=7500 /NOIEPROXY  ' http://download.microsoft.com/download/9/5/A/ 95a9616b-7a37-4af6-bc36-d6ea96c8daae/dotnetfx40_full_x86_x64.exe '   ' $TEMP \dotnetfx40_full_x86_x64.exe '   Pop  $R 0  strcmp  $R 0  "Success"  0 +2     setdetailsprint textonly  detailprint  "Installing  .net framework 4.0 full ... "  SetDetailsPrint listonly  ExecWait  ' $TEMP \dotnetfx40_full_x86_x64.exe / Quiet /norestart '   $R 1  delete  "$TEMP \dotnetfx40_full_x86_x64.exe"    functionendfunction downloadnetframework45; Download  .net framework 4.5  nsisdl:: download /translate2  ' downloading  %s '   ' connecting ... '   ' (remaining  1  seconds) '   ' (remainder  1  minutes) '   ' (remaining  1  hours) '   ' (remaining &NBsp;%u  seconds) '   ' (remaining  %u  minutes) '   ' (remaining  %u  hours) '   ' Completed:%SKB (%d%%)   size:%skb  Speed:%u.%0 1ukb/s '  /TIMEOUT=7500 /NOIEPROXY  ' http://download.microsoft.com/download/E/2/1/ E21644b5-2df2-47c2-91bd-63c560427900/ndp452-kb2901907-x86-x64-allos-enu.exe '   ' $TEMP \ Ndp452-kb2901907-x86-x64-allos-enu.exe '   Pop  $R 0  strcmp  $R 0  "Success"  0 +2  SetDetailsPrint textonly  DetailPrint  "Installing  .NET  FRAMEWORK&NBSP;4.5.2&NBSP: "  SetDetailsPrint listonly  ExecWait " $TEMP \ Ndp452-kb2901907-x86-x64-allos-enu.exe /quiet /norestart '   $R 1  delete  "$TEMP \ Ndp452-kb2901907-x86-x64-allos-enu.exe "FunctionEnd

NSIs detecting the. NET framework and downloading it online