Hello Rehber124,
Welcome to Microsoft Community.
Try using the Active Hours feature as it allows you up to 18 hours during which Windows Update won't run. On the Windows Update screen, click Change active hours and make your selection.
"This is the closest that Home users will get to stopping Windows Update, short of using a metered connection or disabling their connection"
https://support.microsoft.com/article/09b5376c-7647-4361-1423-c29aa692a8c4
Reference: https://www.makeuseof.com/tag/manage-windows-update-windows-10/
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Please let me know if you need more assistance.
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Warm Regards