> For the complete documentation index, see [llms.txt](https://hotelizer.gitbook.io/manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hotelizer.gitbook.io/manual/en/quick-guides.md).

# Quick Guides

- [Click2Learn Videos](https://hotelizer.gitbook.io/manual/en/quick-guides/click2learn-videos.md)
- [Add reservation](https://hotelizer.gitbook.io/manual/en/quick-guides/prosthiki-kratisis.md)
- [Reservations](https://hotelizer.gitbook.io/manual/en/quick-guides/untitled.md)
- [Check In / Check Out](https://hotelizer.gitbook.io/manual/en/quick-guides/untitled/check-in-check-out.md)
- [Guest details](https://hotelizer.gitbook.io/manual/en/quick-guides/untitled/stoixeia-pelaton.md)
- [EL.STAT:](https://hotelizer.gitbook.io/manual/en/quick-guides/untitled/el.stat.md)
- [Tasks](https://hotelizer.gitbook.io/manual/en/quick-guides/untitled/simeioseis.md)
- [Invoicing](https://hotelizer.gitbook.io/manual/en/quick-guides/timologisi.md)
- [Charges](https://hotelizer.gitbook.io/manual/en/quick-guides/timologisi/xreoseis.md)
- [Operation](https://hotelizer.gitbook.io/manual/en/quick-guides/opeation.md)
- [Housekeeping](https://hotelizer.gitbook.io/manual/en/quick-guides/opeation/housekeeping.md)
- [Maintenance](https://hotelizer.gitbook.io/manual/en/quick-guides/opeation/maintenance.md)
- [Transfers](https://hotelizer.gitbook.io/manual/en/quick-guides/opeation/untitled-1.md)
- [myDATA](https://hotelizer.gitbook.io/manual/en/quick-guides/my-data.md)
- [Απόκτηση κωδικών από την ΑΑΔΕ](https://hotelizer.gitbook.io/manual/en/quick-guides/my-data/access-mydata.md): Διαδικασία απόκτησης κωδικών από την ΑΑΔΕ
- [Ενεργοποίηση myDATA](https://hotelizer.gitbook.io/manual/en/quick-guides/my-data/activate-mydata.md): Διαδικασία ενεργοποίησης της διασύνδεσης με το myDATA στο Hotelizer
- [Υποβολή παραστατικών στο myDATA](https://hotelizer.gitbook.io/manual/en/quick-guides/my-data/invoices-mydata.md): Διαδικασία τιμολόγησης και αποστολής στο myDATA
- [FAQs](https://hotelizer.gitbook.io/manual/en/quick-guides/my-data/mydata-faqs.md)
- [Οperating period](https://hotelizer.gitbook.io/manual/en/quick-guides/operating-period.md): Update the operating period of your property and open sales for the next season
- [Climate Change Resilience Fee 2024](https://hotelizer.gitbook.io/manual/en/quick-guides/climate-change-resilience-fee-2024.md)
- [Climate Change Resilience Fee 2025](https://hotelizer.gitbook.io/manual/en/quick-guides/climate-change-resilience-fee-2025.md)
- [EFT/POS Support](https://hotelizer.gitbook.io/manual/en/quick-guides/eft-pos-support.md): Information & EFT POS Supported by Hotelizer PMS & POS