1:Copy update folder to X:\Grand Theft Auto V\ ----------------------------------------------------------------
2:Use OpenIV extract X:\Grand Theft Auto V\update\update.rpf\common\data\dlclist.xml
then use notepad open it,add new line
dlcpacks:\c63s\
Save it and use OpenIV replace it.
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3:Use OpenIV extract X:\Grand Theft Auto V\update\update.rpf\common\data\extratitleupdatedata.meta
then use notepad open it,add new line
dlc_c63s:/
update:/dlc_patch/c63s/
Save it and use OpenIV replace it.
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-You can use Simple Trainer Spawn it by name "c63s"