It is N of Tokyo head office. The free upgrade period to Windows 10 is scheduled to be July 29, so the in-house upgrading is flourishing. Windows 10 is sequentially put on unused machines, but Windows 10 is not compatible[...]
Indeed without permission, both the head office and the Sapporo office will be closed in summer. Business days, from August 12 (Friday) to August 17 (Wednesday) during holidays, servers, operation and partial support are ongoing, so please contact the person in charge for details.