New messages:

-DownloadingLabel, ButtonStopDownload, StopDownload, ErrorDownloadAborted, ErrorDownloadFailed, ErrorDownloadSizeFailed, ErrorFileHash1, ErrorFileHash2, ErrorProgress, ErrorFileSize.
-ExistingFileNewerSelectAction, ExistingFileNewer2, ExistingFileNewerOverwriteExisting, ExistingFileNewerKeepExisting, ExistingFileNewerOverwriteOrKeepAll.
-FileExistsSelectAction, FileExists2, FileExistsOverwriteExisting, FileExistsKeepExisting, FileExistsOverwriteOrKeepAll.

Previously optional messages which must now always be set:
-ComponentsDiskSpaceGBLabel, DiskSpaceGBLabel, PrepareToInstallNeedsRestart.

Removed messages:
-ExistingFileNewer, FileExists.

Files/Default.isl

@@ -1,7 +1,7 @@
-; *** Inno Setup version 6.0.0+ English messages ***
+; *** Inno Setup version 6.1.0+ English messages ***
 ;
 ; To download user-contributed translations of this file, go to:
-;   http://www.jrsoftware.org/files/istrans/
+;   https://jrsoftware.org/files/istrans/
 ;
 ; Note: When translating this text, do not add periods (.) to the end of
 ; messages that didn't have them already, because on those messages Inno
@@ -151,6 +151,7 @@ WizardSelectDir=Select Destination Location
 SelectDirDesc=Where should [name] be installed?
 SelectDirLabel3=Setup will install [name] into the following folder.
 SelectDirBrowseLabel=To continue, click Next. If you would like to select a different folder, click Browse.
+DiskSpaceGBLabel=At least [gb] GB of free disk space is required.
 DiskSpaceMBLabel=At least [mb] MB of free disk space is required.
 CannotInstallToNetworkDrive=Setup cannot install to a network drive.
 CannotInstallToUNCPath=Setup cannot install to a UNC path.
@@ -178,6 +179,7 @@ NoUninstallWarningTitle=Components Exist
 NoUninstallWarning=Setup has detected that the following components are already installed on your computer:%n%n%1%n%nDeselecting these components will not uninstall them.%n%nWould you like to continue anyway?
 ComponentSize1=%1 KB
 ComponentSize2=%1 MB
+ComponentsDiskSpaceGBLabel=Current selection requires at least [gb] GB of disk space.
 ComponentsDiskSpaceMBLabel=Current selection requires at least [mb] MB of disk space.
 
 ; *** "Select Additional Tasks" wizard page
@@ -208,6 +210,18 @@ ReadyMemoComponents=Selected components:
 ReadyMemoGroup=Start Menu folder:
 ReadyMemoTasks=Additional tasks:
 
+; *** TDownloadWizardPage wizard page and DownloadTemporaryFile
+DownloadingLabel=Downloading additional files...
+ButtonStopDownload=&Stop download
+StopDownload=Are you sure you want to stop the download?
+ErrorDownloadAborted=Download aborted
+ErrorDownloadFailed=Download failed: %d %s
+ErrorDownloadSizeFailed=Getting size failed: %d %s
+ErrorFileHash1=File hash failed: %s
+ErrorFileHash2=Invalid file hash: expected %s, found %s
+ErrorProgress=Invalid progress: %d of %d
+ErrorFileSize=Invalid file size: expected %d, found %d
+
 ; *** "Preparing to Install" wizard page
 WizardPreparing=Preparing to Install
 PreparingDesc=Setup is preparing to install [name] on your computer.
@@ -218,6 +232,7 @@ ApplicationsFound2=The following applications are using files that need to be up
 CloseApplications=&Automatically close the applications
 DontCloseApplications=&Do not close the applications
 ErrorCloseApplications=Setup was unable to automatically close all applications. It is recommended that you close all applications using files that need to be updated by Setup before continuing.
+PrepareToInstallNeedsRestart=Setup must restart your computer. After restarting your computer, run Setup again to complete the installation of [name].%n%nWould you like to restart now?
 
 ; *** "Installing" wizard page
 WizardInstalling=Installing
@@ -289,8 +304,16 @@ ExistingFileReadOnly2=The existing file could not be replaced because it is mark
 ExistingFileReadOnlyRetry=&Remove the read-only attribute and try again
 ExistingFileReadOnlyKeepExisting=&Keep the existing file
 ErrorReadingExistingDest=An error occurred while trying to read the existing file:
-FileExists=The file already exists.%n%nWould you like Setup to overwrite it?
-ExistingFileNewer=The existing file is newer than the one Setup is trying to install. It is recommended that you keep the existing file.%n%nDo you want to keep the existing file?
+FileExistsSelectAction=Select action
+FileExists2=The file already exists.
+FileExistsOverwriteExisting=&Overwrite the existing file
+FileExistsKeepExisting=&Keep the existing file
+FileExistsOverwriteOrKeepAll=&Do this for the next conflicts
+ExistingFileNewerSelectAction=Select action
+ExistingFileNewer2=The existing file is newer than the one Setup is trying to install.
+ExistingFileNewerOverwriteExisting=&Overwrite the existing file
+ExistingFileNewerKeepExisting=&Keep the existing file (recommended)
+ExistingFileNewerOverwriteOrKeepAll=&Do this for the next conflicts
 ErrorChangingAttr=An error occurred while trying to change the attributes of the existing file:
 ErrorCreatingTemp=An error occurred while trying to create a file in the destination directory:
 ErrorReadingSource=An error occurred while trying to read the source file: