WampServer

Just installed 64 bit version of WAMP Server (latest version)
Downloaded latest release of GLPI... [glpi-project.org]
Running in Windows 10 (build 1909)

Installation of GLPI gets as far as creating a database, however accessing
[localhost] shows...

You are trying to use GLPI with outdated files compared to the version of the database. Please install the correct GLPI files corresponding to the version of your database.
Any tips on fixing this?

Ok so lets start with which database are you using? MySQL or mariaDB?

On second thoughts, please answer all these question for us

READ (and answer) BEFORE YOU ASK A QUESTION

Oh and dont assume we have the faintest idea what GLPI is, or the faintest interest

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(Windows 10 Pro 64bit) (Wampserver 3.3.4 64bit) Aestan Tray Menu 3.2.5.4
<Apache versions MULTIPE> <PHP versions MULTIPLE> <MySQL Versions MULTIPLE>
<MariaDB versions MULTIPLE> <phpMyAdmin versions MULTIPLE> <MySQL Workbench 8.0.23>
Read The Manuals Apache -- MySQL -- PHP -- phpMyAdmin
Get your Apache/MySQL/mariaDB/PHP ADDONs here from the WAMPServer alternate Repo
-X-X-X- Backup your databases regularly Here is How dont regret it later! Yes even when developing -X-X-X-

1 - Windows version used (Specify version number AND whether 32 or 64 bit)
windows 10 build 1909 (64bit)

2 - Version WampServer (Specify version number AND whether 32 or 64 bit)
wampserver version3.2.0 (64bit)

3 - Apache Version
dunno - how do I find this

4 - PHP Version
dunno - how do I find this
5 - MySQL Version
dunno - how do I find this
5a - MariaDB version if applicable
mariadb is in use, and with whatever version comes with the latest install of wampserver

6 - What color is the WampServer icon (in the notification area of the taskbar)
all green :-)

3 - Apache Version
dunno - how do I find this

Click on the WAMPManager icon in the system tray.
First a left click, and familiarize yourself with what is there (all sorts of info/help/etc)
Then right click, and ditto the above

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(Windows 10 Pro 64bit) (Wampserver 3.3.4 64bit) Aestan Tray Menu 3.2.5.4
<Apache versions MULTIPE> <PHP versions MULTIPLE> <MySQL Versions MULTIPLE>
<MariaDB versions MULTIPLE> <phpMyAdmin versions MULTIPLE> <MySQL Workbench 8.0.23>
Read The Manuals Apache -- MySQL -- PHP -- phpMyAdmin
Get your Apache/MySQL/mariaDB/PHP ADDONs here from the WAMPServer alternate Repo
-X-X-X- Backup your databases regularly Here is How dont regret it later! Yes even when developing -X-X-X-

apache: 2.4.41
PHP 7.3.12
MariaDB 10.3.20
MySQL: 8.-.18

Try switching back to MySQL5.7.something

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(Windows 10 Pro 64bit) (Wampserver 3.3.4 64bit) Aestan Tray Menu 3.2.5.4
<Apache versions MULTIPE> <PHP versions MULTIPLE> <MySQL Versions MULTIPLE>
<MariaDB versions MULTIPLE> <phpMyAdmin versions MULTIPLE> <MySQL Workbench 8.0.23>
Read The Manuals Apache -- MySQL -- PHP -- phpMyAdmin
Get your Apache/MySQL/mariaDB/PHP ADDONs here from the WAMPServer alternate Repo
-X-X-X- Backup your databases regularly Here is How dont regret it later! Yes even when developing -X-X-X-