Copy the text (in XML format), like this one:
<blocks app="Snap! 7, https://snap.berkeley.edu" version="2"><block-definition s="language" type="reporter" category="sensing"><header></header><code></code><translations>ar:لغة
bn:ভাষা
ca:llengua
cs:jazyk
de:sprache
el:γλώσσα
en:language
eo:lingvo
es:idioma
et:keel
eu:hizkuntza
fi:kieli
fr:langue
gl:idioma
he:שפה
hi:भाषा
hr:jezik
hu:nyelv
ia:lingua
id:bahasa
it:lingua
ja:言語
kn:ಭಾಷೆ
ko:언어
ml:ഭാഷ
nl:taal
no:sprâk
pl:język
pt:língua
ro:limba
ru:язык
sv:språk
ta:மொழ
te:భాష
tr:dil
</translations><inputs></inputs><script><block s="doReport"><block s="evaluate"><block s="reifyReporter"><autolambda><block s="reportIfElse"><block s="reportEquals"><l></l><l>6</l></block><block s="reportIfElse"><block s="reportEquals"><block s="reportJoinWords"><block s="reifyScript"><script><block s="down"></block></script><list></list></block></block><l>Context >> a CommandBlockMorph ("pero dolů...") a VariableFrame {}</l></block><l>Český</l><block s="reportIfElse"><block s="reportEquals"><block s="reportJoinWords"><block s="reifyScript"><script><block s="down"></block></script><list></list></block></block><l>Context >> a CommandBlockMorph ("pero dole...") a VariableFrame {}</l></block><l>Slovenčina</l><l>Other</l></block></block><block s="reportIfElse"><block s="reportEquals"><l></l><l>7</l></block><block s="reportIfElse"><block s="reportEquals"><block s="reportJoinWords"><block s="reifyScript"><script><block s="clear"></block></script><list></list></block></block><l>Context >> a CommandBlockMorph ("wische...") a VariableFrame {}</l></block><l>Deutsch</l><block s="reportIfElse"><block s="reportEquals"><block s="reportJoinWords"><block s="reifyScript"><script><block s="clear"></block></script><list></list></block></block><l>Context >> a CommandBlockMorph ("తొలగించుట...") a VariableFrame {}</l></block><l>Telagu</l><l>Other</l></block></block><block s="reportIfElse"><block s="reportEquals"><l></l><l>10</l></block><block s="reportIfElse"><block s="reportEquals"><block s="reportJoinWords"><block s="reifyScript"><script><block s="clear"></block></script><list></list></block></block><l>Context >> a CommandBlockMorph ("clear...") a VariableFrame {}</l></block><l>English</l><block s="reportIfElse"><block s="reportEquals"><block s="reportJoinWords"><block s="reifyScript"><script><block s="clear"></block></script><list></list></block></block><l>Context >> a CommandBlockMorph ("அழ...") a VariableFrame {}</l></block><l>Tamil</l><l>Other</l></block></block><block s="reportListItem"><block s="reportSum"><l></l><l>1</l></block><block s="reportNewList"><list><l>Other</l><l>العربية</l><l>Българуски</l><l>বাংলা</l><l>Català</l><l>Català - Valencià</l><l>Český</l><l>Deutsch</l><l>Dansk</l><l>Ελληνικά</l><l>English</l><l>Esperanto</l><l>Español</l><l>Eesti</l><l>Euskara</l><l>suomi</l><l>Français</l><l>Galego</l><l>עִבְרִית</l><l>हिन्दी</l><l>Hrvatski</l><l>Magyar</l><l>Interlingua</l><l>Bahasa Indonesia</l><l>Italiano</l><l>日本語</l><l>にほんご</l><l>ಕನ್ನಡ</l><l>한국어</l><l>Malayalam</l><l>Nederlands</l><l>Norsk</l><l>Polski</l><l>Português</l><l>Português do Brasil</l><l>Român</l><l>Русский</l><l>Slovenščina</l><l>Slovenčina</l><l>svenska</l><l>Tamil</l><l>Telagu</l><l>Türkçe</l><l>Українська</l><l>简体中文</l><l>繁體中文</l></list></block></block></block></block></block></autolambda><list></list></block><list><block s="reportListIndex"><block s="reportListItem"><l>2</l><block s="reportTextSplit"><block s="reportJoinWords"><block s="reifyReporter"><autolambda><block s="reportPenTrailsAsCostume"></block></autolambda><list></list></block></block><l>"</l></block></block><block s="reportNewList"><list><l>اثار_القلم...</l><l>линии след молива...</l><l>কলম ভ্রমণ...</l><l>dibuix sobre l'escenari...</l><l>rastre del llapis...</l><l>stopa pera...</l><l>Malspuren...</l><l>penselspor...</l><l>ίχνοι στυλού...</l><l>pen trails...</l><l>spuro de skribilo...</l><l>rastro del lápiz...</l><l>pliiatsi joone...</l><l>arkatzaren arrastoak...</l><l>kynän jälki...</l><l>traces de stylo...</l><l>riscos do lapis...</l><l>סימוני_עט...</l><l>कलम का निशान...</l><l>tragovi olovke...</l><l>ceruza nyomvonala...</l><l>penna tracia...</l><l>jejak pena...</l><l>tratti della penna...</l><l>ペンの軌跡...</l><l>ペンのきせき...</l><l>ಲೇಖನಿಯ ಪರೀಕ್ಷಣೆ...</l><l>펜의 궤적...</l><l>Malspuren...</l><l>penspoor...</l><l>pennsporer...</l><l>ślady pisaka...</l><l>os traços da caneta...</l><l>traços da caneta...</l><l>urme stilou...</l><l>линии пера...</l><l>sledi svinčnika...</l><l>stopa pera...</l><l>pennspår...</l><l>pen trails...</l><l>Malspuren...</l><l>kalem izleri...</l><l>лінія олівця...</l><l>画笔轨迹...</l><l>畫筆軌跡...</l></list></block></block></list></block></block></script></block-definition></blocks>
Credit: Language block by @ScratchModification
Then go to 
Notepad.
It will appear a window like this:
Save it as XML:
Go to Snap! editor and select Import...
Go to your file and select it, finally click Done.
Your block is here now!
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